Add exception handler

Author: Jack251970

Flow.Launcher/Languages/en.xaml

@@ -327,6 +327,7 @@
     <system:String x:Key="clearlogfolderMessage">Are you sure you want to delete all logs?</system:String>
     <system:String x:Key="clearcachefolder">Clear Caches</system:String>
     <system:String x:Key="clearcachefolderMessage">Are you sure you want to delete all caches?</system:String>
+    <system:String x:Key="clearfolderfailMessage">Failed to clear folders and files</system:String>
     <system:String x:Key="welcomewindow">Wizard</system:String>
     <system:String x:Key="userdatapath">User Data Location</system:String>
     <system:String x:Key="userdatapathToolTip">User settings and installed plugins are saved in the user data folder. This location may vary depending on whether it's in portable mode or not.</system:String>

Flow.Launcher/SettingPages/ViewModels/SettingsPaneAboutViewModel.cs

@@ -103,7 +103,15 @@ private void AskClearLogFolderConfirmation()
 
         if (confirmResult == MessageBoxResult.Yes)
         {
-            ClearLogFolder();
+            try
+            {
+                ClearLogFolder();
+            }
+            catch (Exception e)
+            {
+                App.API.LogException(nameof(SettingsPaneAboutViewModel), "Failed to clear log folder", e);
+                App.API.ShowMsgBox(App.API.GetTranslation("clearfolderfailMessage"));
+            }
         }
     }
 
@@ -118,7 +126,15 @@ private void AskClearCacheFolderConfirmation()
 
         if (confirmResult == MessageBoxResult.Yes)
         {
-            ClearCacheFolder();
+            try
+            {
+                ClearCacheFolder();
+            }
+            catch (Exception e)
+            {
+                App.API.LogException(nameof(SettingsPaneAboutViewModel), "Failed to clear cache folder", e);
+                App.API.ShowMsgBox(App.API.GetTranslation("clearfolderfailMessage"));
+            }
         }
     }
 
@@ -202,8 +218,7 @@ private static string BytesToReadableString(long bytes)
 
         foreach (string order in orders)
         {
-            if (bytes > max)
-                return $"{decimal.Divide(bytes, max):##.##} {order}";
+            if (bytes > max) return $"{decimal.Divide(bytes, max):##.##} {order}";
 
             max /= scale;
         }