v4.9.5

- Minor refactoring & optimization
- Removed the no-longer-necessary locked DLL check in favor of SafeIO
- Fixed uninstall all cancel functionality
- Improved SafeIO crucial checks and warning outputs

CreamInstaller/CreamInstaller.csproj

@@ -4,7 +4,7 @@
 		<TargetFramework>net7.0-windows</TargetFramework>
 		<UseWindowsForms>True</UseWindowsForms>
 		<ApplicationIcon>Resources\ini.ico</ApplicationIcon>
-		<Version>4.9.4</Version>
+		<Version>4.9.5</Version>
 		<Copyright>2021, pointfeev (https://github.com/pointfeev)</Copyright>
 		<Company>CreamInstaller</Company>
 		<Product>Automatic DLC Unlocker Installer &amp; Configuration Generator</Product>

CreamInstaller/Forms/InstallForm.cs

@@ -14,14 +14,12 @@ namespace CreamInstaller.Forms;
 
 internal sealed partial class InstallForm : CustomForm
 {
-    private readonly HashSet<Selection> disabledSelections = new();
+    private readonly HashSet<Selection> activeSelections = new();
-
-    private readonly int programCount = Selection.AllEnabled.Count();
     private readonly bool uninstalling;
     private int completeOperationsCount;
-
     private int operationsCount;
     internal bool Reselecting;
+    private int selectionCount;
 
     internal InstallForm(bool uninstall = false)
     {
@@ -77,7 +75,7 @@ internal sealed partial class InstallForm : CustomForm
             foreach (string directory in invalidDirectories)
             {
                 if (Program.Canceled)
-                    throw new CustomMessageException("The operation was canceled.");
+                    return;
                 directory.GetKoaloaderComponents(out string old_config, out string config);
                 if (directory.GetKoaloaderProxies().Any(proxy => proxy.FileExists() && proxy.IsResourceFile(ResourceIdentifier.Koaloader))
                  || directory != selection.RootDirectory && Koaloader.AutoLoadDLLs.Any(pair => (directory + @"\" + pair.dll).FileExists())
@@ -91,7 +89,7 @@ internal sealed partial class InstallForm : CustomForm
             foreach ((string directory, BinaryType _) in selection.ExecutableDirectories)
             {
                 if (Program.Canceled)
-                    throw new CustomMessageException("The operation was canceled.");
+                    return;
                 directory.GetKoaloaderComponents(out string old_config, out string config);
                 if (directory.GetKoaloaderProxies().Any(proxy => proxy.FileExists() && proxy.IsResourceFile(ResourceIdentifier.Koaloader))
                  || Koaloader.AutoLoadDLLs.Any(pair => (directory + @"\" + pair.dll).FileExists()) || old_config.FileExists() || config.FileExists())
@@ -105,14 +103,14 @@ internal sealed partial class InstallForm : CustomForm
         foreach (string directory in selection.DllDirectories)
         {
             if (Program.Canceled)
-                throw new CustomMessageException("The operation was canceled.");
+                return;
             if (selection.Platform is Platform.Steam or Platform.Paradox)
             {
                 directory.GetSmokeApiComponents(out string api32, out string api32_o, out string api64, out string api64_o, out string old_config,
                     out string config, out string old_log, out string log, out string cache);
                 if (uninstallProxy
-                        ? api32_o.FileExists() || api64_o.FileExists() || old_config.FileExists() || config.FileExists() || old_log.FileExists()
+                    ? api32_o.FileExists() || api64_o.FileExists() || old_config.FileExists() || config.FileExists() || old_log.FileExists() || log.FileExists()
-                       || log.FileExists() || cache.FileExists()
+                 || cache.FileExists()
                     : api32.FileExists() || api64.FileExists())
                 {
                     UpdateUser(
@@ -175,7 +173,7 @@ internal sealed partial class InstallForm : CustomForm
             foreach ((string directory, BinaryType binaryType) in selection.ExecutableDirectories)
             {
                 if (Program.Canceled)
-                    throw new CustomMessageException("The operation was canceled.");
+                    return;
                 UpdateUser("Installing Koaloader to " + selection.Name + $" in directory \"{directory}\" . . . ", LogTextBox.Operation);
                 await Koaloader.Install(directory, binaryType, selection, selection.RootDirectory, this);
             }
@@ -184,19 +182,19 @@ internal sealed partial class InstallForm : CustomForm
 
     private async Task Operate()
     {
-        HashSet<Selection> programSelections = Selection.AllEnabled.ToHashSet();
+        operationsCount = activeSelections.Count;
-        operationsCount = programSelections.Count;
         completeOperationsCount = 0;
-        foreach (Selection selection in programSelections)
+        foreach (Selection selection in activeSelections)
         {
-            if (Program.Canceled || !Program.AreDllsLockedDialog(this, selection))
+            if (Program.Canceled)
                 throw new CustomMessageException("The operation was canceled.");
             try
             {
                 await OperateFor(selection);
+                if (Program.Canceled)
+                    throw new CustomMessageException("The operation was canceled.");
                 UpdateUser($"Operation succeeded for {selection.Name}.", LogTextBox.Success);
-                selection.Enabled = false;
+                _ = activeSelections.Remove(selection);
-                _ = disabledSelections.Add(selection);
             }
             catch (Exception exception)
             {
@@ -205,15 +203,12 @@ internal sealed partial class InstallForm : CustomForm
             ++completeOperationsCount;
         }
         Program.Cleanup();
-        HashSet<Selection> failedSelections = Selection.AllEnabled.ToHashSet();
+        int activeCount = activeSelections.Count;
-        if (failedSelections.Count > 0)
+        if (activeCount > 0)
-            if (failedSelections.Count == 1)
+            if (activeCount == 1)
-                throw new CustomMessageException($"Operation failed for {failedSelections.First().Name}.");
+                throw new CustomMessageException($"Operation failed for {activeSelections.First().Name}.");
             else
-                throw new CustomMessageException($"Operation failed for {failedSelections.Count} programs.");
+                throw new CustomMessageException($"Operation failed for {activeCount} programs.");
-        foreach (Selection selection in disabledSelections)
-            selection.Enabled = true;
-        disabledSelections.Clear();
     }
 
     private async void Start()
@@ -227,7 +222,7 @@ internal sealed partial class InstallForm : CustomForm
         try
         {
             await Operate();
-            UpdateUser($"DLC unlocker(s) successfully {(uninstalling ? "uninstalled" : "installed and generated")} for " + programCount + " program(s).",
+            UpdateUser($"DLC unlocker(s) successfully {(uninstalling ? "uninstalled" : "installed and generated")} for " + selectionCount + " program(s).",
                 LogTextBox.Success);
         }
         catch (Exception exception)
@@ -241,13 +236,19 @@ internal sealed partial class InstallForm : CustomForm
         reselectButton.Enabled = true;
     }
 
-    private void OnLoad(object sender, EventArgs _)
+    private void OnLoad(object sender, EventArgs a)
     {
     retry:
         try
         {
             userInfoLabel.Text = "Loading . . . ";
             logTextBox.Text = string.Empty;
+            selectionCount = 0;
+            foreach (Selection selection in Selection.AllEnabled)
+            {
+                selectionCount++;
+                _ = activeSelections.Add(selection);
+            }
             Start();
         }
         catch (Exception e)
@@ -276,9 +277,6 @@ internal sealed partial class InstallForm : CustomForm
     {
         Program.Cleanup();
         Reselecting = true;
-        foreach (Selection selection in disabledSelections)
-            selection.Enabled = true;
-        disabledSelections.Clear();
         Close();
     }
 }

CreamInstaller/Forms/SelectForm.cs

@@ -785,7 +785,11 @@ internal sealed partial class SelectForm : CustomForm
                 if (id == "PL")
                 {
                     _ = items.Add(new ToolStripSeparator());
-                    async void EventHandler(object sender, EventArgs e) => await ParadoxLauncher.Repair(this, selection);
+                    async void EventHandler(object sender, EventArgs e)
+                    {
+                        _ = await ParadoxLauncher.Repair(this, selection);
+                        Program.Canceled = false;
+                    }
                     _ = items.Add(new ContextMenuItem("Repair", "Command Prompt", EventHandler));
                 }
                 _ = items.Add(new ToolStripSeparator());
@@ -890,11 +894,7 @@ internal sealed partial class SelectForm : CustomForm
 
     private void OnAccept(bool uninstall = false)
     {
-        if (Selection.All.IsEmpty)
+        if (Selection.All.IsEmpty || !uninstall && ParadoxLauncher.DlcDialog(this))
-            return;
-        if (Selection.AllEnabled.Any(selection => !Program.AreDllsLockedDialog(this, selection)))
-            return;
-        if (!uninstall && ParadoxLauncher.DlcDialog(this))
             return;
         Hide();
         InstallForm form = new(uninstall);

CreamInstaller/Platforms/Paradox/ParadoxLauncher.cs

@@ -12,11 +12,7 @@ namespace CreamInstaller.Platforms.Paradox;
 
 internal static class ParadoxLauncher
 {
-    public enum RepairResult
+    public enum RepairResult { Failure = -1, Unnecessary = 0, Success }
-    {
-        ProgramRunning = -2, Failure, Unnecessary = 0,
-        Success
-    }
 
     private static string installPath;
 
@@ -61,17 +57,14 @@ internal static class ParadoxLauncher
     internal static async Task<RepairResult> Repair(Form form, Selection selection)
     {
         InstallForm installForm = form as InstallForm;
-        if (!Program.AreDllsLockedDialog(form, selection))
+        using DialogForm dialogForm = new(form);
-            return form is InstallForm
-                ? throw new CustomMessageException("Repair failed! One or more DLLs crucial to unlocker installation are locked!")
-                : RepairResult.ProgramRunning;
         bool smokeInstalled = false;
         byte[] steamOriginalSdk32 = null;
         byte[] steamOriginalSdk64 = null;
         bool screamInstalled = false;
         byte[] epicOriginalSdk32 = null;
         byte[] epicOriginalSdk64 = null;
-        foreach (string directory in selection.DllDirectories)
+        foreach (string directory in selection.DllDirectories.TakeWhile(_ => !Program.Canceled))
         {
             bool koaloaderInstalled = Koaloader.AutoLoadDLLs.Select(pair => (pair.unlocker, path: directory + @"\" + pair.dll))
                .Any(pair => pair.path.FileExists() && pair.path.IsResourceFile());
@@ -97,11 +90,10 @@ internal static class ParadoxLauncher
             if (epicOriginalSdk64 is null && api64.FileExists() && !api64.IsResourceFile(ResourceIdentifier.EpicOnlineServices64))
                 epicOriginalSdk64 = api64.ReadFileBytes(true);
         }
-        using DialogForm dialogForm = new(form);
         if (steamOriginalSdk32 is not null || steamOriginalSdk64 is not null || epicOriginalSdk32 is not null || epicOriginalSdk64 is not null)
         {
             bool neededRepair = false;
-            foreach (string directory in selection.DllDirectories)
+            foreach (string directory in selection.DllDirectories.TakeWhile(_ => !Program.Canceled))
             {
                 directory.GetSmokeApiComponents(out string api32, out _, out string api64, out _, out _, out _, out _, out _, out _);
                 if (steamOriginalSdk32 is not null && api32.IsResourceFile(ResourceIdentifier.Steamworks32))
@@ -134,6 +126,8 @@ internal static class ParadoxLauncher
                 if (screamInstalled)
                     await ScreamAPI.Install(directory, selection, generateConfig: false);
             }
+            if (!Program.Canceled)
+            {
                 if (neededRepair)
                 {
                     if (installForm is not null)
@@ -148,13 +142,20 @@ internal static class ParadoxLauncher
                     _ = dialogForm.Show(SystemIcons.Information, "Paradox Launcher does not need to be repaired.", customFormText: "Paradox Launcher");
                 return RepairResult.Unnecessary;
             }
+        }
+        if (Program.Canceled)
+        {
+            _ = form is InstallForm
+                ? throw new CustomMessageException("Repair failed! The operation was canceled.")
+                : dialogForm.Show(SystemIcons.Error, "Paradox Launcher repair failed! The operation was canceled.", customFormText: "Paradox Launcher");
+            return RepairResult.Failure;
+        }
         _ = form is InstallForm
             ? throw new CustomMessageException("Repair failed! " + "An original Steamworks and/or Epic Online Services file could not be found. "
               + "You will likely have to reinstall Paradox Launcher to fix this issue.")
             : dialogForm.Show(SystemIcons.Error,
                 "Paradox Launcher repair failed!" + "\n\nAn original Steamworks and/or Epic Online Services file could not be found."
-                                                  + "\nYou will likely have to reinstall Paradox Launcher to fix this issue.",
+              + "\nYou will likely have to reinstall Paradox Launcher to fix this issue.", customFormText: "Paradox Launcher");
-                customFormText: "Paradox Launcher");
         return RepairResult.Failure;
     }
 }

CreamInstaller/Platforms/Steam/SteamCMD.cs

@@ -129,7 +129,7 @@ internal static class SteamCMD
                 try
                 {
                     byte[] file = await httpClient.GetByteArrayAsync(new Uri("https://steamcdn-a.akamaihd.net/client/installer/steamcmd.zip"));
-                    file.WriteResource(ArchivePath);
+                    _ = file.WriteResource(ArchivePath);
                     ArchivePath.ExtractZip(DirectoryPath);
                     ArchivePath.DeleteFile();
                     break;

CreamInstaller/Program.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Diagnostics;
-using System.Drawing;
 using System.Linq;
 using System.Threading;
 using System.Windows.Forms;
@@ -39,27 +38,7 @@ internal static class Program
 
     internal static bool IsGameBlocked(string name, string directory = null)
         => BlockProtectedGames && (ProtectedGames.Contains(name) || directory is not null && !ProtectedGameDirectoryExceptions.Contains(name)
-                                                                                          && ProtectedGameDirectories.Any(path
+         && ProtectedGameDirectories.Any(path => (directory + path).DirectoryExists()));
-                                                                                                 => (directory + path).DirectoryExists()));
-
-    internal static bool AreDllsLockedDialog(Form form, Selection selection)
-    {
-        while (true)
-        {
-            if (selection.AreDllsLocked)
-            {
-                using DialogForm dialogForm = new(form);
-                if (dialogForm.Show(SystemIcons.Error,
-                        $"ERROR: One or more DLLs crucial to unlocker installation are locked for {selection.Name}!"
-                      + "\n\nPlease close the program/game or resolve your anti-virus and press retry to continue . . . ", "Retry", "Cancel")
-                 == DialogResult.OK)
-                    continue;
-            }
-            else
-                return true;
-            return false;
-        }
-    }
 
     [STAThread]
     private static void Main()

CreamInstaller/Resources/Koaloader.cs

@@ -139,13 +139,13 @@ internal static class Koaloader
             foreach (string proxyPath in directory.GetKoaloaderProxies().Where(proxyPath
                 => proxyPath.FileExists() && proxyPath.IsResourceFile(ResourceIdentifier.Koaloader)))
             {
-                proxyPath.DeleteFile();
+                proxyPath.DeleteFile(true);
                 installForm?.UpdateUser($"Deleted Koaloader: {Path.GetFileName(proxyPath)}", LogTextBox.Action, false);
             }
             foreach ((string unlocker, string path) in AutoLoadDLLs.Select(pair => (pair.unlocker, path: directory + @"\" + pair.dll))
                .Where(pair => pair.path.FileExists() && pair.path.IsResourceFile()))
             {
-                path.DeleteFile();
+                path.DeleteFile(true);
                 installForm?.UpdateUser($"Deleted {unlocker}: {Path.GetFileName(path)}", LogTextBox.Action, false);
             }
             if (deleteConfig && old_config.FileExists())
@@ -174,7 +174,7 @@ internal static class Koaloader
             string path = directory + @"\" + proxy + ".dll";
             foreach (string _path in directory.GetKoaloaderProxies().Where(p => p != path && p.FileExists() && p.IsResourceFile(ResourceIdentifier.Koaloader)))
             {
-                _path.DeleteFile();
+                _path.DeleteFile(true);
                 installForm?.UpdateUser($"Deleted Koaloader: {Path.GetFileName(_path)}", LogTextBox.Action, false);
             }
             if (path.FileExists() && !path.IsResourceFile(ResourceIdentifier.Koaloader))

CreamInstaller/Resources/Resources.cs

@@ -464,20 +464,21 @@ internal static class Resources
             }
     }
 
-    internal static void WriteResource(this byte[] resource, string filePath)
+    internal static bool WriteResource(this byte[] resource, string filePath)
     {
         while (!Program.Canceled)
             try
             {
                 using FileStream fileStream = new(filePath, FileMode.Create, FileAccess.Write);
                 fileStream.Write(resource);
-                break;
+                return true;
             }
             catch (Exception e)
             {
                 if (filePath.IOWarn("Failed to write a crucial resource", e) is not DialogResult.OK)
                     break;
             }
+        return false;
     }
 
     internal static bool TryGetFileBinaryType(this string path, out BinaryType binaryType) => NativeImports.GetBinaryType(path, out binaryType);
@@ -504,8 +505,7 @@ internal static class Resources
                 if (Program.Canceled)
                     return null;
                 if (executables.All(e => e.path != path) && (!filterCommon || !rootDirectory.IsCommonIncorrectExecutable(path))
-                                                         && (validFunc is null || validFunc(path)) && path.TryGetFileBinaryType(out BinaryType binaryType)
+                 && (validFunc is null || validFunc(path)) && path.TryGetFileBinaryType(out BinaryType binaryType) && binaryType is BinaryType.BIT64)
-                                                         && binaryType is BinaryType.BIT64)
                     executables.Add((path, binaryType));
             }
             foreach (string path in rootDirectory.EnumerateDirectory("*.exe", true))
@@ -513,8 +513,7 @@ internal static class Resources
                 if (Program.Canceled)
                     return null;
                 if (executables.All(e => e.path != path) && (!filterCommon || !rootDirectory.IsCommonIncorrectExecutable(path))
-                                                         && (validFunc is null || validFunc(path)) && path.TryGetFileBinaryType(out BinaryType binaryType)
+                 && (validFunc is null || validFunc(path)) && path.TryGetFileBinaryType(out BinaryType binaryType) && binaryType is BinaryType.BIT32)
-                                                         && binaryType is BinaryType.BIT32)
                     executables.Add((path, binaryType));
             }
             return executables.Count > 0 ? executables : null;
@@ -524,10 +523,9 @@ internal static class Resources
     {
         string subPath = path[rootDirectory.Length..].ToUpperInvariant();
         return subPath.Contains("SETUP") || subPath.Contains("REDIST") || subPath.Contains("SUPPORT")
-            || subPath.Contains("CRASH") && (subPath.Contains("PAD") || subPath.Contains("REPORT")) || subPath.Contains("HELPER")
+         || subPath.Contains("CRASH") && (subPath.Contains("PAD") || subPath.Contains("REPORT")) || subPath.Contains("HELPER") || subPath.Contains("CEFPROCESS")
-            || subPath.Contains("CEFPROCESS") || subPath.Contains("ZFGAMEBROWSER") || subPath.Contains("MONO") || subPath.Contains("PLUGINS")
+         || subPath.Contains("ZFGAMEBROWSER") || subPath.Contains("MONO") || subPath.Contains("PLUGINS") || subPath.Contains("MODDING")
-            || subPath.Contains("MODDING") || subPath.Contains("MOD") && subPath.Contains("MANAGER") || subPath.Contains("BATTLEYE")
+         || subPath.Contains("MOD") && subPath.Contains("MANAGER") || subPath.Contains("BATTLEYE") || subPath.Contains("ANTICHEAT");
-            || subPath.Contains("ANTICHEAT");
     }
 
     internal static async Task<HashSet<string>> GetDllDirectoriesFromGameDirectory(this string gameDirectory, Platform platform)

CreamInstaller/Resources/ScreamAPI.cs

@@ -108,7 +108,7 @@ internal static class ScreamAPI
             {
                 if (api32.FileExists())
                 {
-                    api32.DeleteFile();
+                    api32.DeleteFile(true);
                     installForm?.UpdateUser($"Deleted ScreamAPI: {Path.GetFileName(api32)}", LogTextBox.Action, false);
                 }
                 api32_o.MoveFile(api32!);
@@ -118,7 +118,7 @@ internal static class ScreamAPI
             {
                 if (api64.FileExists())
                 {
-                    api64.DeleteFile();
+                    api64.DeleteFile(true);
                     installForm?.UpdateUser($"Deleted ScreamAPI: {Path.GetFileName(api64)}", LogTextBox.Action, false);
                 }
                 api64_o.MoveFile(api64!);
@@ -144,7 +144,7 @@ internal static class ScreamAPI
             directory.GetScreamApiComponents(out string api32, out string api32_o, out string api64, out string api64_o, out _, out _);
             if (api32.FileExists() && !api32_o.FileExists())
             {
-                api32.MoveFile(api32_o!);
+                api32.MoveFile(api32_o!, true);
                 installForm?.UpdateUser($"Renamed EOS: {Path.GetFileName(api32)} -> {Path.GetFileName(api32_o)}", LogTextBox.Action, false);
             }
             if (api32_o.FileExists())
@@ -154,7 +154,7 @@ internal static class ScreamAPI
             }
             if (api64.FileExists() && !api64_o.FileExists())
             {
-                api64.MoveFile(api64_o!);
+                api64.MoveFile(api64_o!, true);
                 installForm?.UpdateUser($"Renamed EOS: {Path.GetFileName(api64)} -> {Path.GetFileName(api64_o)}", LogTextBox.Action, false);
             }
             if (api64_o.FileExists())

CreamInstaller/Resources/SmokeAPI.cs

@@ -157,7 +157,7 @@ internal static class SmokeAPI
             {
                 if (api32.FileExists())
                 {
-                    api32.DeleteFile();
+                    api32.DeleteFile(true);
                     installForm?.UpdateUser($"Deleted SmokeAPI: {Path.GetFileName(api32)}", LogTextBox.Action, false);
                 }
                 api32_o.MoveFile(api32!);
@@ -167,7 +167,7 @@ internal static class SmokeAPI
             {
                 if (api64.FileExists())
                 {
-                    api64.DeleteFile();
+                    api64.DeleteFile(true);
                     installForm?.UpdateUser($"Deleted SmokeAPI: {Path.GetFileName(api64)}", LogTextBox.Action, false);
                 }
                 api64_o.MoveFile(api64!);
@@ -214,7 +214,7 @@ internal static class SmokeAPI
             directory.GetSmokeApiComponents(out string api32, out string api32_o, out string api64, out string api64_o, out _, out _, out _, out _, out _);
             if (api32.FileExists() && !api32_o.FileExists())
             {
-                api32.MoveFile(api32_o!);
+                api32.MoveFile(api32_o!, true);
                 installForm?.UpdateUser($"Renamed Steamworks: {Path.GetFileName(api32)} -> {Path.GetFileName(api32_o)}", LogTextBox.Action, false);
             }
             if (api32_o.FileExists())
@@ -224,7 +224,7 @@ internal static class SmokeAPI
             }
             if (api64.FileExists() && !api64_o.FileExists())
             {
-                api64.MoveFile(api64_o!);
+                api64.MoveFile(api64_o!, true);
                 installForm?.UpdateUser($"Renamed Steamworks: {Path.GetFileName(api64)} -> {Path.GetFileName(api64_o)}", LogTextBox.Action, false);
             }
             if (api64_o.FileExists())

CreamInstaller/Resources/UplayR1.cs

@@ -77,7 +77,7 @@ internal static class UplayR1
             {
                 if (api32.FileExists())
                 {
-                    api32.DeleteFile();
+                    api32.DeleteFile(true);
                     installForm?.UpdateUser($"Deleted Uplay R1 Unlocker: {Path.GetFileName(api32)}", LogTextBox.Action, false);
                 }
                 api32_o.MoveFile(api32!);
@@ -87,7 +87,7 @@ internal static class UplayR1
             {
                 if (api64.FileExists())
                 {
-                    api64.DeleteFile();
+                    api64.DeleteFile(true);
                     installForm?.UpdateUser($"Deleted Uplay R1 Unlocker: {Path.GetFileName(api64)}", LogTextBox.Action, false);
                 }
                 api64_o.MoveFile(api64!);
@@ -112,7 +112,7 @@ internal static class UplayR1
             directory.GetUplayR1Components(out string api32, out string api32_o, out string api64, out string api64_o, out _, out _);
             if (api32.FileExists() && !api32_o.FileExists())
             {
-                api32.MoveFile(api32_o!);
+                api32.MoveFile(api32_o!, true);
                 installForm?.UpdateUser($"Renamed Uplay R1: {Path.GetFileName(api32)} -> {Path.GetFileName(api32_o)}", LogTextBox.Action, false);
             }
             if (api32_o.FileExists())
@@ -122,7 +122,7 @@ internal static class UplayR1
             }
             if (api64.FileExists() && !api64_o.FileExists())
             {
-                api64.MoveFile(api64_o!);
+                api64.MoveFile(api64_o!, true);
                 installForm?.UpdateUser($"Renamed Uplay R1: {Path.GetFileName(api64)} -> {Path.GetFileName(api64_o)}", LogTextBox.Action, false);
             }
             if (api64_o.FileExists())

CreamInstaller/Resources/UplayR2.cs

@@ -83,7 +83,7 @@ internal static class UplayR2
                 string api = old_api32.FileExists() ? old_api32 : api32;
                 if (api.FileExists())
                 {
-                    api.DeleteFile();
+                    api.DeleteFile(true);
                     installForm?.UpdateUser($"Deleted Uplay R2 Unlocker: {Path.GetFileName(api)}", LogTextBox.Action, false);
                 }
                 api32_o.MoveFile(api!);
@@ -94,7 +94,7 @@ internal static class UplayR2
                 string api = old_api64.FileExists() ? old_api64 : api64;
                 if (api.FileExists())
                 {
-                    api.DeleteFile();
+                    api.DeleteFile(true);
                     installForm?.UpdateUser($"Deleted Uplay R2 Unlocker: {Path.GetFileName(api)}", LogTextBox.Action, false);
                 }
                 api64_o.MoveFile(api!);
@@ -121,7 +121,7 @@ internal static class UplayR2
             string api = old_api32.FileExists() ? old_api32 : api32;
             if (api.FileExists() && !api32_o.FileExists())
             {
-                api.MoveFile(api32_o!);
+                api.MoveFile(api32_o!, true);
                 installForm?.UpdateUser($"Renamed Uplay R2: {Path.GetFileName(api)} -> {Path.GetFileName(api32_o)}", LogTextBox.Action, false);
             }
             if (api32_o.FileExists())
@@ -132,7 +132,7 @@ internal static class UplayR2
             api = old_api64.FileExists() ? old_api64 : api64;
             if (api.FileExists() && !api64_o.FileExists())
             {
-                api.MoveFile(api64_o!);
+                api.MoveFile(api64_o!, true);
                 installForm?.UpdateUser($"Renamed Uplay R2: {Path.GetFileName(api)} -> {Path.GetFileName(api64_o)}", LogTextBox.Action, false);
             }
             if (api64_o.FileExists())

CreamInstaller/Selection.cs

@@ -4,7 +4,6 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Windows.Forms;
 using CreamInstaller.Forms;
-using CreamInstaller.Resources;
 using CreamInstaller.Utility;
 using static CreamInstaller.Resources.Resources;
 
@@ -62,47 +61,6 @@ internal sealed class Selection : IEquatable<Selection>
 
     internal IEnumerable<SelectionDLC> DLC => SelectionDLC.All.Keys.Where(dlc => dlc.Selection.Equals(this));
 
-    internal bool AreDllsLocked
-    {
-        get
-        {
-            foreach (string directory in DllDirectories)
-            {
-                if (Platform is Platform.Steam or Platform.Paradox)
-                {
-                    directory.GetCreamApiComponents(out string api32, out string api32_o, out string api64, out string api64_o, out string config);
-                    if (api32.FileLocked() || api32_o.FileLocked() || api64.FileLocked() || api64_o.FileLocked() || config.FileLocked())
-                        return true;
-                    directory.GetSmokeApiComponents(out api32, out api32_o, out api64, out api64_o, out string old_config, out config, out string old_log,
-                        out string log, out string cache);
-                    if (api32.FileLocked() || api32_o.FileLocked() || api64.FileLocked() || api64_o.FileLocked() || old_config.FileLocked()
-                     || config.FileLocked() || old_log.FileLocked() || log.FileLocked() || cache.FileLocked())
-                        return true;
-                }
-                if (Platform is Platform.Epic or Platform.Paradox)
-                {
-                    directory.GetScreamApiComponents(out string api32, out string api32_o, out string api64, out string api64_o, out string config,
-                        out string log);
-                    if (api32.FileLocked() || api32_o.FileLocked() || api64.FileLocked() || api64_o.FileLocked() || config.FileLocked() || log.FileLocked())
-                        return true;
-                }
-                if (Platform is Platform.Ubisoft)
-                {
-                    directory.GetUplayR1Components(out string api32, out string api32_o, out string api64, out string api64_o, out string config,
-                        out string log);
-                    if (api32.FileLocked() || api32_o.FileLocked() || api64.FileLocked() || api64_o.FileLocked() || config.FileLocked() || log.FileLocked())
-                        return true;
-                    directory.GetUplayR2Components(out string old_api32, out string old_api64, out api32, out api32_o, out api64, out api64_o, out config,
-                        out log);
-                    if (old_api32.FileLocked() || old_api64.FileLocked() || api32.FileLocked() || api32_o.FileLocked() || api64.FileLocked()
-                     || api64_o.FileLocked() || config.FileLocked() || log.FileLocked())
-                        return true;
-                }
-            }
-            return false;
-        }
-    }
-
     public bool Equals(Selection other) => other is not null && (ReferenceEquals(this, other) || Id == other.Id && Platform == other.Platform);
 
     internal static Selection GetOrCreate(Platform platform, string id, string name, string rootDirectory, HashSet<string> dllDirectories,

CreamInstaller/Utility/ExceptionHandler.cs

@@ -21,7 +21,7 @@ internal static class ExceptionHandler
             string[] stackTrace = e.StackTrace?.Split('\n');
             if (stackTrace is not null && stackTrace.Length > 0)
             {
-                _ = output.Append(e.GetType() + (": " + e.Message));
+                _ = output.Append($"[{e.HResult & 0x0000FFFF}] {e.GetType()}: {e.Message}");
                 foreach (string line in stackTrace)
                 {
                     int atNum = line.IndexOf("at ", StringComparison.Ordinal);

CreamInstaller/Utility/SafeIO.cs

@@ -12,21 +12,6 @@ namespace CreamInstaller.Utility;
 
 internal static class SafeIO
 {
-    internal static bool FileLocked(this string filePath)
-    {
-        if (!FileExists(filePath))
-            return false;
-        try
-        {
-            File.Open(filePath, FileMode.Open, FileAccess.ReadWrite, FileShare.None).Close();
-        }
-        catch
-        {
-            return true;
-        }
-        return false;
-    }
-
     internal static bool DirectoryExists(this string directoryPath) => Directory.Exists(directoryPath);
 
     internal static void CreateDirectory(this string directoryPath, bool crucial = false, Form form = null)
@@ -37,7 +22,7 @@ internal static class SafeIO
             try
             {
                 _ = Directory.CreateDirectory(directoryPath);
-                break;
+                return;
             }
             catch (Exception e)
             {
@@ -54,7 +39,7 @@ internal static class SafeIO
             try
             {
                 Directory.Move(directoryPath, newDirectoryPath);
-                break;
+                return;
             }
             catch (Exception e)
             {
@@ -71,7 +56,7 @@ internal static class SafeIO
             try
             {
                 Directory.Delete(directoryPath, true);
-                break;
+                return;
             }
             catch (Exception e)
             {
@@ -148,7 +133,7 @@ internal static class SafeIO
             try
             {
                 File.Move(filePath, newFilePath);
-                break;
+                return;
             }
             catch (Exception e)
             {
@@ -165,7 +150,7 @@ internal static class SafeIO
             try
             {
                 File.Delete(filePath);
-                break;
+                return;
             }
             catch (Exception e)
             {
@@ -214,7 +199,7 @@ internal static class SafeIO
             try
             {
                 File.WriteAllText(filePath, text, Encoding.UTF8);
-                break;
+                return;
             }
             catch (Exception e)
             {
@@ -231,7 +216,7 @@ internal static class SafeIO
             try
             {
                 ZipFile.ExtractToDirectory(archivePath, destinationPath);
-                break;
+                return;
             }
             catch (Exception e)
             {
@@ -251,11 +236,26 @@ internal static class SafeIO
     private static DialogResult IOWarnInternal(this string filePath, string message, Exception e, Form form = null)
     {
         using DialogForm dialogForm = new(form);
-        string description = message + ": " + filePath.ResolvePath() + "\n\n";
+        string description = message + ": " + (filePath.ResolvePath() ?? filePath) + "\n\n";
-        if (e is IOException && (e.HResult & 0x0000FFFF) == 225) // virus or potentially unwanted software
+        int code = e.HResult & 0x0000FFFF;
+        switch (code) // https://learn.microsoft.com/en-us/windows/win32/debug/system-error-codes#system-error-codes
+        {
+            case 5: // ERROR_ACCESS_DENIED
+            case 32: // ERROR_SHARING_VIOLATION
+            case 33: // ERROR_LOCK_VIOLATION
+                description += "Please close the program/game and press retry to continue . . . ";
+                break;
+            case 225: // ERROR_VIRUS_INFECTED
+            case 226: // ERROR_VIRUS_DELETED
                 description += "Please resolve your anti-virus and press retry to continue . . . ";
-        else
+                break;
+            default:
                 description += e.FormatException();
-        return dialogForm.Show(SystemIcons.Warning, description, "Retry", "OK");
+                break;
+        }
+        DialogResult result = dialogForm.Show(SystemIcons.Warning, description, "Retry", "Cancel");
+        if (result is not DialogResult.OK)
+            Program.Canceled = true;
+        return result;
     }
 }