Update 1.0.5

- Fixed unhandled exception when Paradox Launcher is not installed.
- Added better exception handling and file backups during installation.
- Added an explanation for when no CreamAPI-applicable programs or games are found.
- Increased the minimum size of the installation window.
- Added program/game reselection from the installation window.
- Added error dialogs for when selected programs are currently running.
- Multiple other aesthetic changes.

CreamInstaller/CreamInstaller.csproj

@@ -6,7 +6,7 @@
     <UseWindowsForms>true</UseWindowsForms>
     <ApplicationIcon>ini.ico</ApplicationIcon>
 	<IncludeAllContentForSelfExtract>true</IncludeAllContentForSelfExtract>
-	<Version>1.0.4</Version>
+	<Version>1.0.5</Version>
 	<PackageIcon>ini.ico</PackageIcon>
 	<PackageIconUrl />
 	<Description>Automatically downloads and installs CreamAPI files for programs/games.</Description>

CreamInstaller/InstallForm.Designer.cs

@@ -36,6 +36,7 @@ namespace CreamInstaller
             this.retryButton = new System.Windows.Forms.Button();
             this.cancelButton = new System.Windows.Forms.Button();
             this.logTextBox = new System.Windows.Forms.RichTextBox();
+            this.reselectButton = new System.Windows.Forms.Button();
             this.SuspendLayout();
             // 
             // userProgressBar
@@ -44,7 +45,7 @@ namespace CreamInstaller
             | System.Windows.Forms.AnchorStyles.Right)));
             this.userProgressBar.Location = new System.Drawing.Point(12, 27);
             this.userProgressBar.Name = "userProgressBar";
-            this.userProgressBar.Size = new System.Drawing.Size(460, 23);
+            this.userProgressBar.Size = new System.Drawing.Size(500, 23);
             this.userProgressBar.TabIndex = 1;
             // 
             // userInfoLabel
@@ -53,7 +54,7 @@ namespace CreamInstaller
             | System.Windows.Forms.AnchorStyles.Right)));
             this.userInfoLabel.Location = new System.Drawing.Point(12, 9);
             this.userInfoLabel.Name = "userInfoLabel";
-            this.userInfoLabel.Size = new System.Drawing.Size(460, 15);
+            this.userInfoLabel.Size = new System.Drawing.Size(500, 15);
             this.userInfoLabel.TabIndex = 2;
             this.userInfoLabel.Text = "Loading . . . ";
             // 
@@ -61,7 +62,7 @@ namespace CreamInstaller
             // 
             this.acceptButton.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
             this.acceptButton.Enabled = false;
-            this.acceptButton.Location = new System.Drawing.Point(397, 226);
+            this.acceptButton.Location = new System.Drawing.Point(437, 286);
             this.acceptButton.Name = "acceptButton";
             this.acceptButton.Size = new System.Drawing.Size(75, 23);
             this.acceptButton.TabIndex = 3;
@@ -73,7 +74,7 @@ namespace CreamInstaller
             // 
             this.retryButton.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
             this.retryButton.Enabled = false;
-            this.retryButton.Location = new System.Drawing.Point(316, 226);
+            this.retryButton.Location = new System.Drawing.Point(356, 286);
             this.retryButton.Name = "retryButton";
             this.retryButton.Size = new System.Drawing.Size(75, 23);
             this.retryButton.TabIndex = 2;
@@ -84,7 +85,7 @@ namespace CreamInstaller
             // cancelButton
             // 
             this.cancelButton.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
-            this.cancelButton.Location = new System.Drawing.Point(12, 226);
+            this.cancelButton.Location = new System.Drawing.Point(12, 286);
             this.cancelButton.Name = "cancelButton";
             this.cancelButton.Size = new System.Drawing.Size(75, 23);
             this.cancelButton.TabIndex = 1;
@@ -102,17 +103,29 @@ namespace CreamInstaller
             this.logTextBox.Name = "logTextBox";
             this.logTextBox.ReadOnly = true;
             this.logTextBox.ScrollBars = System.Windows.Forms.RichTextBoxScrollBars.ForcedBoth;
-            this.logTextBox.Size = new System.Drawing.Size(460, 164);
+            this.logTextBox.Size = new System.Drawing.Size(500, 224);
             this.logTextBox.TabIndex = 4;
             this.logTextBox.TabStop = false;
             this.logTextBox.Text = "";
             this.logTextBox.WordWrap = false;
             // 
+            // reselectButton
+            // 
+            this.reselectButton.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
+            this.reselectButton.Location = new System.Drawing.Point(135, 286);
+            this.reselectButton.Name = "reselectButton";
+            this.reselectButton.Size = new System.Drawing.Size(175, 23);
+            this.reselectButton.TabIndex = 5;
+            this.reselectButton.Text = "Reselect Programs / Games";
+            this.reselectButton.UseVisualStyleBackColor = true;
+            this.reselectButton.Click += new System.EventHandler(this.OnReselect);
+            // 
             // InstallForm
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
-            this.ClientSize = new System.Drawing.Size(484, 261);
+            this.ClientSize = new System.Drawing.Size(524, 321);
+            this.Controls.Add(this.reselectButton);
             this.Controls.Add(this.logTextBox);
             this.Controls.Add(this.cancelButton);
             this.Controls.Add(this.retryButton);
@@ -123,7 +136,7 @@ namespace CreamInstaller
             this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
             this.MaximizeBox = false;
             this.MinimizeBox = false;
-            this.MinimumSize = new System.Drawing.Size(500, 300);
+            this.MinimumSize = new System.Drawing.Size(540, 360);
             this.Name = "InstallForm";
             this.SizeGripStyle = System.Windows.Forms.SizeGripStyle.Show;
             this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;
@@ -141,6 +154,7 @@ namespace CreamInstaller
         private System.Windows.Forms.Button retryButton;
         private System.Windows.Forms.Button cancelButton;
         private System.Windows.Forms.RichTextBox logTextBox;
+        private System.Windows.Forms.Button reselectButton;
     }
 }
 

CreamInstaller/InstallForm.cs

@@ -12,6 +12,8 @@ namespace CreamInstaller
 {
     public partial class InstallForm : Form
     {
+        public bool Reselecting = false;
+
         public InstallForm(IWin32Window owner)
         {
             Owner = owner as Form;
@@ -37,7 +39,130 @@ namespace CreamInstaller
             }
         }
 
-        private async Task Install()
+        private async Task OperateFor(ProgramSelection selection)
+        {
+            UpdateProgress(0);
+            UpdateUser("Downloading CreamAPI files for " + selection.ProgramName + " . . . ", LogColor.Operation);
+            Program.OutputFile = selection.ProgramDirectory + "\\" + selection.DownloadNode.Name;
+            if (File.Exists(Program.OutputFile))
+            {
+                try
+                {
+                    File.Delete(Program.OutputFile);
+                }
+                catch
+                {
+                    throw new Exception($"Unable to delete old archive file: {Program.OutputFile}");
+                }
+            }
+            Progress<double> progress = new Progress<double>(delegate (double progress)
+            {
+                if (!Program.Canceled)
+                {
+                    UpdateUser($"Downloading CreamAPI files for {selection.ProgramName} . . . {(int)progress}%", LogColor.Operation, log: false);
+                    UpdateProgress((int)progress);
+                }
+            });
+            Program.CancellationTokenSource = new CancellationTokenSource();
+            Program.OutputTask = Program.MegaApiClient.DownloadFileAsync(selection.DownloadNode, Program.OutputFile, progress, Program.CancellationTokenSource.Token);
+            await Program.OutputTask;
+            UpdateUser($"Downloaded file: {Program.OutputFile}", LogColor.Resource);
+            UpdateProgress(100);
+
+            UpdateProgress(0);
+            UpdateUser("Searching for CreamAPI files in downloaded archive . . . ", LogColor.Operation);
+            string resourcePath = null;
+            List<ZipArchiveEntry> resources = new List<ZipArchiveEntry>();
+            Program.OutputArchive = ZipFile.OpenRead(Program.OutputFile);
+            int currentEntryCount = 0;
+            foreach (ZipArchiveEntry entry in Program.OutputArchive.Entries)
+            {
+                currentEntryCount++;
+                if (entry.Name == "steam_api64.dll")
+                {
+                    resourcePath = Path.GetDirectoryName(entry.FullName);
+                    UpdateUser("Got CreamAPI file path: " + resourcePath, LogColor.Resource);
+                }
+                UpdateProgress((currentEntryCount / (Program.OutputArchive.Entries.Count * 2)) * 100);
+            }
+            foreach (ZipArchiveEntry entry in Program.OutputArchive.Entries)
+            {
+                currentEntryCount++;
+                if (!string.IsNullOrEmpty(entry.Name) && Path.GetDirectoryName(entry.FullName) == resourcePath)
+                {
+                    resources.Add(entry);
+                    UpdateUser("Found CreamAPI file: " + entry.Name, LogColor.Resource);
+                }
+                UpdateProgress((currentEntryCount / (Program.OutputArchive.Entries.Count * 2)) * 100);
+            }
+            if (resources.Count < 1)
+            {
+                throw new Exception($"Unable to find CreamAPI files in downloaded archive: {Program.OutputFile}");
+            }
+            UpdateProgress(100);
+
+            UpdateProgress(0);
+            UpdateUser("Installing CreamAPI files for " + selection.ProgramName + " . . . ", LogColor.Operation);
+            int currentFileCount = 0;
+            foreach (string directory in selection.SteamApiDllDirectories)
+            {
+                Dictionary<string, string> changesToRevert = new();
+                foreach (ZipArchiveEntry entry in resources)
+                {
+                    currentFileCount++;
+                    string file = directory + "\\" + entry.Name;
+                    if (File.Exists(file))
+                    {
+                        string backup = file + Program.BackupFileExtension;
+                        File.Copy(file, backup, true);
+                        changesToRevert.Add(file, backup);
+                    }
+                    else
+                    {
+                        changesToRevert.Add(file, string.Empty);
+                    }
+                    try
+                    {
+                        entry.ExtractToFile(file, true);
+                    }
+                    catch
+                    {
+                        foreach (KeyValuePair<string, string> keyValuePair in changesToRevert)
+                        {
+                            file = keyValuePair.Key;
+                            string backup = keyValuePair.Value;
+                            if (string.IsNullOrEmpty(backup))
+                            {
+                                File.Delete(file);
+                                UpdateUser("Deleted CreamAPI file: " + file, LogColor.Warning);
+                            }
+                            else if (file.IsFilePathLocked())
+                            {
+                                File.Delete(backup);
+                            }
+                            else
+                            {
+                                File.Move(backup, file, true);
+                                UpdateUser("Reversed changes to Steam API file: " + file, LogColor.Warning);
+                            }
+                        }
+                        throw new Exception($"Unable to overwrite Steam API file: {file}");
+                    }
+                    UpdateUser("Installed file: " + file, LogColor.Resource);
+                    UpdateProgress((currentFileCount / (resources.Count * selection.SteamApiDllDirectories.Count)) * 100);
+                }
+                foreach (KeyValuePair<string, string> keyValuePair in changesToRevert)
+                {
+                    string file = keyValuePair.Key;
+                    string backup = keyValuePair.Value;
+                    if (!string.IsNullOrEmpty(backup))
+                        File.Delete(backup);
+                }
+            }
+            UpdateProgress(100);
+        }
+
+        private async Task Operate()
         {
             foreach (ProgramSelection selection in Program.ProgramSelections.ToList())
             {
@@ -46,94 +171,49 @@ namespace CreamInstaller
 
                 Program.Cleanup(cancel: false, logout: false);
 
-                UpdateProgress(0);
+                bool Check()
-                UpdateUser("Downloading CreamAPI files for " + selection.ProgramName + " . . . ", LogColor.Operation);
-                Program.OutputFile = selection.ProgramDirectory + "\\" + selection.DownloadNode.Name;
-                if (File.Exists(Program.OutputFile))
                 {
-                    try
+                    if (selection.ProgramIsRunning)
                     {
-                        File.Delete(Program.OutputFile);
+                        if (new DialogForm(this).Show(Program.ApplicationName, SystemIcons.Error,
+                        $"ERROR: {selection.ProgramName} is currently running!" +
+                        "\n\nPlease close the program/game to continue . . .",
+                        "Retry", "Cancel") == DialogResult.OK)
+                            return Check();
                     }
-                    catch
+                    else
                     {
-                        throw new Exception("Unable to delete old archive file for " + selection.ProgramName);
+                        return true;
                     }
+                    return false;
                 }
-                Progress<double> progress = new Progress<double>(delegate (double progress)
+                if (!Check())
                 {
-                    if (!Program.Canceled)
+                    throw new Exception("The operation was canceled.");
-                    {
+                }
-                        UpdateUser($"Downloading CreamAPI files for {selection.ProgramName} . . . {(int)progress}%", LogColor.Operation, log: false);
-                        UpdateProgress((int)progress);
-                    }
-                });
-                Program.CancellationTokenSource = new CancellationTokenSource();
-                Program.OutputTask = Program.MegaApiClient.DownloadFileAsync(selection.DownloadNode, Program.OutputFile, progress, Program.CancellationTokenSource.Token);
-                await Program.OutputTask;
-                UpdateProgress(100);
 
-                UpdateProgress(0);
+                try
-                UpdateUser("Searching for CreamAPI files in downloaded archive . . . ", LogColor.Operation);
-                string resourcePath = null;
-                List<ZipArchiveEntry> resources = new List<ZipArchiveEntry>();
-                Program.OutputArchive = ZipFile.OpenRead(Program.OutputFile);
-                int currentEntryCount = 0;
-                foreach (ZipArchiveEntry entry in Program.OutputArchive.Entries)
                 {
-                    currentEntryCount++;
+                    await OperateFor(selection);
-                    if (entry.Name == "steam_api64.dll")
-                    {
-                        resourcePath = Path.GetDirectoryName(entry.FullName);
-                        UpdateUser("Got CreamAPI file path: " + resourcePath, LogColor.Resource);
-                    }
-                    UpdateProgress((currentEntryCount / (Program.OutputArchive.Entries.Count * 2)) * 100);
-                }
-                foreach (ZipArchiveEntry entry in Program.OutputArchive.Entries)
-                {
-                    currentEntryCount++;
-                    if (!string.IsNullOrEmpty(entry.Name) && Path.GetDirectoryName(entry.FullName) == resourcePath)
-                    {
-                        resources.Add(entry);
-                        UpdateUser("Found CreamAPI file: " + entry.Name, LogColor.Resource);
-                    }
-                    UpdateProgress((currentEntryCount / (Program.OutputArchive.Entries.Count * 2)) * 100);
-                }
-                if (resources.Count < 1)
-                {
-                    throw new Exception("Unable to find CreamAPI files in downloaded archive for " + selection.ProgramName);
-                }
-                UpdateProgress(100);
 
-                UpdateProgress(0);
+                    UpdateUser($"Operation succeeded for {selection.ProgramName}.", LogColor.Success);
-                UpdateUser("Installing CreamAPI files for " + selection.ProgramName + " . . . ", LogColor.Operation);
+                    selection.Remove();
-                int currentFileCount = 0;
-                foreach (string directory in selection.SteamApiDllDirectories)
-                {
-                    foreach (ZipArchiveEntry entry in resources)
-                    {
-                        currentFileCount++;
-                        string file = directory + "\\" + entry.Name;
-                        UpdateUser(file, LogColor.Resource);
-                        if (File.Exists(file))
-                        {
-                            try
-                            {
-                                File.Delete(file);
-                            }
-                            catch
-                            {
-                                throw new Exception("Unable to delete Steam API files for " + selection.ProgramName);
-                            }
-                        }
-                        entry.ExtractToFile(file);
-                        UpdateProgress((currentFileCount / (resources.Count * selection.SteamApiDllDirectories.Count)) * 100);
-                    }
                 }
-                UpdateProgress(100);
+                catch (Exception exception)
+                {
+                    UpdateUser($"Operation failed for {selection.ProgramName}: " + exception.Message, LogColor.Error);
+                }
+            }
 
-                UpdateUser("CreamAPI successfully downloaded and installed for " + selection.ProgramName, LogColor.Success);
+            Program.Cleanup(logout: false);
-                Program.ProgramSelections.Remove(selection);
+
+            if (Program.ProgramSelections.Count == 1)
+            {
+                throw new Exception($"Operation failed for {Program.ProgramSelections.First().ProgramName}.");
+            }
+            else if (Program.ProgramSelections.Count > 1)
+            {
+                throw new Exception($"Operation failed for {Program.ProgramSelections.Count} programs.");
             }
         }
 
@@ -145,20 +225,20 @@ namespace CreamInstaller
             acceptButton.Enabled = false;
             retryButton.Enabled = false;
             cancelButton.Enabled = true;
+            reselectButton.Enabled = false;
             try
             {
-                await Install();
+                await Operate();
-                Program.Cleanup();
+                UpdateUser("CreamAPI successfully downloaded and installed for " + ProgramCount + " program(s).", LogColor.Success);
-                UpdateUser("CreamAPI successfully downloaded and installed for " + ProgramCount + " program(s)", LogColor.Success);
             }
             catch (Exception exception)
             {
-                Program.Cleanup(logout: false);
+                UpdateUser("CreamAPI download and/or installation failed: " + exception.Message, LogColor.Error);
-                UpdateUser("Operation failed: " + exception.Message, LogColor.Error);
                 retryButton.Enabled = true;
             }
             acceptButton.Enabled = true;
             cancelButton.Enabled = false;
+            reselectButton.Enabled = true;
         }
 
         private void OnLoad(object sender, EventArgs e)
@@ -170,6 +250,7 @@ namespace CreamInstaller
 
         private void OnAccept(object sender, EventArgs e)
         {
+            Program.Cleanup(logout: false);
             Close();
         }
 
@@ -183,5 +264,12 @@ namespace CreamInstaller
         {
             Program.Cleanup(logout: false);
         }
+
+        private void OnReselect(object sender, EventArgs e)
+        {
+            Program.Cleanup(logout: false);
+            Reselecting = true;
+            Close();
+        }
     }
 }

CreamInstaller/MainForm.cs

@@ -104,7 +104,7 @@ namespace CreamInstaller
                 }
                 catch (ApiException)
                 {
-                    if (new DialogForm(this).Show(Program.ApplicationName, SystemIcons.Warning,
+                    if (new DialogForm(this).Show(Program.ApplicationName, SystemIcons.Error,
                         $"ERROR: Failed logging into MEGA!" +
                         "\n\nMEGA is likely offline, please try again later. . .",
                         "Retry", "Cancel") == DialogResult.OK)

CreamInstaller/Program.cs

@@ -28,6 +28,8 @@ namespace CreamInstaller
         public static string CurrentProcessFilePath = CurrentProcess.MainModule.FileName;
         public static string CurrentProcessDirectory = CurrentProcessFilePath.Substring(0, CurrentProcessFilePath.LastIndexOf("\\"));
 
+        public static string BackupFileExtension = ".creaminstaller.backup";
+
         [STAThread]
         static void Main()
         {

CreamInstaller/ProgramSelection.cs

@@ -10,6 +10,20 @@ namespace CreamInstaller
         public List<string> SteamApiDllDirectories;
         public INode DownloadNode;
 
+        public bool ProgramIsRunning
+        {
+            get
+            {
+                foreach (string directory in SteamApiDllDirectories)
+                {
+                    string file = directory + "\\steam_api64.dll";
+                    if (file.IsFilePathLocked())
+                        return true;
+                }
+                return false;
+            }
+        }
+
         public ProgramSelection()
         {
             Program.ProgramSelections.Add(this);

CreamInstaller/SelectForm.Designer.cs

@@ -38,6 +38,7 @@ namespace CreamInstaller
             this.label1 = new System.Windows.Forms.Label();
             this.groupBox1 = new System.Windows.Forms.GroupBox();
             this.allCheckBox = new System.Windows.Forms.CheckBox();
+            this.noneFoundLabel = new System.Windows.Forms.Label();
             this.flowLayoutPanel1 = new System.Windows.Forms.FlowLayoutPanel();
             this.progressBar1 = new System.Windows.Forms.ProgressBar();
             this.label2 = new System.Windows.Forms.Label();
@@ -80,6 +81,7 @@ namespace CreamInstaller
             | System.Windows.Forms.AnchorStyles.Left) 
             | System.Windows.Forms.AnchorStyles.Right)));
             this.groupBox1.Controls.Add(this.allCheckBox);
+            this.groupBox1.Controls.Add(this.noneFoundLabel);
             this.groupBox1.Controls.Add(this.flowLayoutPanel1);
             this.groupBox1.Location = new System.Drawing.Point(12, 12);
             this.groupBox1.Name = "groupBox1";
@@ -103,6 +105,18 @@ namespace CreamInstaller
             this.allCheckBox.UseVisualStyleBackColor = true;
             this.allCheckBox.CheckedChanged += new System.EventHandler(this.OnAllCheckBoxChanged);
             // 
+            // noneFoundLabel
+            // 
+            this.noneFoundLabel.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.noneFoundLabel.Enabled = false;
+            this.noneFoundLabel.Location = new System.Drawing.Point(3, 19);
+            this.noneFoundLabel.Name = "noneFoundLabel";
+            this.noneFoundLabel.Size = new System.Drawing.Size(454, 170);
+            this.noneFoundLabel.TabIndex = 0;
+            this.noneFoundLabel.Text = "No CreamAPI-applicable programs or games were found on your computer!";
+            this.noneFoundLabel.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
+            this.noneFoundLabel.Visible = false;
+            // 
             // flowLayoutPanel1
             // 
             this.flowLayoutPanel1.Dock = System.Windows.Forms.DockStyle.Fill;
@@ -169,6 +183,7 @@ namespace CreamInstaller
         private System.Windows.Forms.ProgressBar progressBar1;
         private System.Windows.Forms.Label label2;
         private System.Windows.Forms.CheckBox allCheckBox;
+        private Label noneFoundLabel;
     }
 }
 

CreamInstaller/SelectForm.cs

@@ -8,6 +8,7 @@ using Gameloop.Vdf;
 using Gameloop.Vdf.Linq;
 using System.Threading.Tasks;
 using System.Drawing;
+using System.Linq;
 
 namespace CreamInstaller
 {
@@ -60,14 +61,14 @@ namespace CreamInstaller
             if (steamApiDllDirectories is null)
                 steamApiDllDirectories = new();
             string file = gameDirectory + "\\steam_api64.dll";
-            if (File.Exists(file) && !file.IsFilePathLocked())
+            if (File.Exists(file))
-            {
                 steamApiDllDirectories.Add(gameDirectory);
-            }
             foreach (string _directory in Directory.GetDirectories(gameDirectory))
             {
                 GetSteamApiDllDirectoriesFromGameDirectory(_directory, steamApiDllDirectories);
             }
+            if (!steamApiDllDirectories.Any())
+                return null;
             return steamApiDllDirectories;
         }
 
@@ -113,11 +114,13 @@ namespace CreamInstaller
                 {
                     progress.Report(++curProgress);
                     string rootDirectory;
-                    List<string> directories;
+                    List<string> directories = null;
                     if (node.Name == "Paradox Launcher")
                     {
                         rootDirectory = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
-                        directories = GetSteamApiDllDirectoriesFromGameDirectory(rootDirectory + "\\Programs\\Paradox Interactive");
+                        string launcherDirectory = rootDirectory + "\\Programs\\Paradox Interactive";
+                        if (Directory.Exists(launcherDirectory))
+                            directories = GetSteamApiDllDirectoriesFromGameDirectory(launcherDirectory);
                     }
                     else
                     {
@@ -211,20 +214,63 @@ namespace CreamInstaller
             label2.Hide();
             progressBar1.Hide();
 
-            allCheckBox.Enabled = true;
+            if (Program.ProgramSelections.Any())
-            foreach (CheckBox checkBox in checkBoxes)
+            {
-                checkBox.Enabled = true;
+                allCheckBox.Enabled = true;
+                foreach (CheckBox checkBox in checkBoxes)
+                    checkBox.Enabled = true;
 
-            acceptButton.Enabled = true;
+                acceptButton.Enabled = true;
+            }
+            else
+            {
+                noneFoundLabel.Visible = true;
+            }
+            
         }
 
         private void OnAccept(object sender, EventArgs e)
         {
             if (Program.ProgramSelections.Count > 0)
             {
+                foreach (ProgramSelection selection in Program.ProgramSelections)
+                {
+                    bool Check()
+                    {
+                        if (selection.ProgramIsRunning)
+                        {
+                            if (new DialogForm(this).Show(Program.ApplicationName, SystemIcons.Error,
+                            $"ERROR: {selection.ProgramName} is currently running!" +
+                            "\n\nPlease close the program/game to continue . . .",
+                            "Retry", "Cancel") == DialogResult.OK)
+                                return Check();
+                        }
+                        else
+                        {
+                            return true;
+                        }    
+                        return false;
+                    }
+                    if (!Check())
+                        return;
+                }
+
                 Hide();
-                new InstallForm(this).ShowDialog();
+                InstallForm installForm = new InstallForm(this);
-                Close();
+                installForm.ShowDialog();
+                if (installForm.Reselecting)
+                {
+                    foreach (CheckBox checkBox in checkBoxes)
+                    {
+                        checkBox.Checked = !checkBox.Checked;
+                        checkBox.Checked = !checkBox.Checked; // to fire CheckChanged
+                    }
+                    int X = (installForm.Location.X + installForm.Size.Width / 2) - Size.Width / 2;
+                    int Y = (installForm.Location.Y + installForm.Size.Height / 2) - Size.Height / 2;
+                    Location = new Point(X, Y);
+                    Show();
+                }
+                else Close();
             }
         }