Update 1.0.4

- Fixed unhandled exceptions when cleaning up files
- Added Mutex to make sure only one instance of program is active at a time

CreamInstaller/CreamInstaller.csproj

@@ -43,12 +43,8 @@
   </ItemGroup>
 
   <ItemGroup>
-    <Compile Update="MainForm.cs">
-      <SubType>Form</SubType>
-    </Compile>
-    <Compile Update="SelectForm.cs">
-      <SubType>Form</SubType>
-    </Compile>
+    <Compile Update="MainForm.cs" />
+    <Compile Update="SelectForm.cs" />
     <Compile Update="Properties\Resources.Designer.cs">
       <DesignTime>True</DesignTime>
       <AutoGen>True</AutoGen>

CreamInstaller/InstallForm.cs

@@ -55,7 +55,7 @@ namespace CreamInstaller
                     {
                         File.Delete(Program.OutputFile);
                     }
-                    catch (UnauthorizedAccessException)
+                    catch
                     {
                         throw new Exception("Unable to delete old archive file for " + selection.ProgramName);
                     }
@@ -121,7 +121,7 @@ namespace CreamInstaller
                             {
                                 File.Delete(file);
                             }
-                            catch (UnauthorizedAccessException)
+                            catch
                             {
                                 throw new Exception("Unable to delete Steam API files for " + selection.ProgramName);
                             }

CreamInstaller/Program.cs

@@ -18,6 +18,9 @@ namespace CreamInstaller
         [return: MarshalAs(UnmanagedType.Bool)]
         static extern bool AllocConsole();
 
+        [DllImport("user32.dll")]
+        static extern bool SetWindowPos(IntPtr hWnd, IntPtr hWndInsertAfter, int X, int Y, int cx, int cy, uint uFlags);
+
         public static string ApplicationName = "CreamInstaller v" + Application.ProductVersion + ": CreamAPI Downloader & Installer";
 
         public static Assembly EntryAssembly = Assembly.GetEntryAssembly();
@@ -27,6 +30,10 @@ namespace CreamInstaller
 
         [STAThread]
         static void Main()
+        {
+            bool createdNew = true;
+            Mutex mutex = new Mutex(true, "CreamInstaller", out createdNew);
+            if (createdNew)
             {
                 Application.SetHighDpiMode(HighDpiMode.SystemAware);
                 Application.EnableVisualStyles();
@@ -34,6 +41,8 @@ namespace CreamInstaller
                 Application.ApplicationExit += new EventHandler(OnApplicationExit);
                 Application.Run(new MainForm());
             }
+            mutex.Close();
+        }
 
         public static bool IsFilePathLocked(this string filePath)
         {
@@ -111,7 +120,7 @@ namespace CreamInstaller
                 {
                     File.Delete(OutputFile);
                 }
-                catch (UnauthorizedAccessException)
+                catch
                 {
                     InstallForm?.UpdateUser($"WARNING: Couldn't clean up downloaded archive ({OutputFile})", LogColor.Warning);
                 }