..

QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/ArchiveFileListView.xaml.cs

@@ -15,9 +15,16 @@ namespace QuickLook.Plugin.ArchiveViewer
 
         public void Dispose()
         {
+            GC.SuppressFinalize(this);
+
             IconManager.ClearCache();
         }
 
+        ~ArchiveFileListView()
+        {
+            Dispose();
+        }
+
         public void SetDataContext(object context)
         {
             treeGrid.DataContext = context;