diff --git a/QuickLook.Plugin/QuickLook.Plugin.OfficeViewer/Plugin.cs b/QuickLook.Plugin/QuickLook.Plugin.OfficeViewer/Plugin.cs
index 918093a..d6b96d1 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.OfficeViewer/Plugin.cs
+++ b/QuickLook.Plugin/QuickLook.Plugin.OfficeViewer/Plugin.cs
@@ -134,11 +134,22 @@ public class Plugin : IViewer
             }
         }
 
-        _panel = new PreviewPanel();
-        context.ViewerContent = _panel;
-        context.Title = Path.GetFileName(path);
-
-        _panel.PreviewFile(path, context);
+        try
+        {
+            _panel = new PreviewPanel();
+            context.ViewerContent = _panel;
+            context.Title = Path.GetFileName(path);
+            _panel.PreviewFile(path, context);
+        }
+        catch (Exception e)
+        {
+            context.ViewerContent = new Label()
+            {
+                Content = e.ToString(),
+                VerticalAlignment = VerticalAlignment.Center,
+                HorizontalAlignment = HorizontalAlignment.Center,
+            };
+        }
 
         context.IsBusy = false;
     }
diff --git a/QuickLook.Plugin/QuickLook.Plugin.OfficeViewer/PreviewHandlerHost.cs b/QuickLook.Plugin/QuickLook.Plugin.OfficeViewer/PreviewHandlerHost.cs
index a1d304d..57fd238 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.OfficeViewer/PreviewHandlerHost.cs
+++ b/QuickLook.Plugin/QuickLook.Plugin.OfficeViewer/PreviewHandlerHost.cs
@@ -102,9 +102,7 @@ public class PreviewHandlerHost : Control
         CurrentPreviewHandler = guid;
         var o = Activator.CreateInstance(Type.GetTypeFromCLSID(CurrentPreviewHandler, true));
 
-        var fileInit = o as IInitializeWithFile;
-
-        if (fileInit == null)
+        if (o is not IInitializeWithFile fileInit)
             return false;
 
         fileInit.Initialize(path, 0);
diff --git a/QuickLook.Plugin/QuickLook.Plugin.OfficeViewer/PreviewPanel.cs b/QuickLook.Plugin/QuickLook.Plugin.OfficeViewer/PreviewPanel.cs
index d5fd6f9..6b0dc95 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.OfficeViewer/PreviewPanel.cs
+++ b/QuickLook.Plugin/QuickLook.Plugin.OfficeViewer/PreviewPanel.cs
@@ -44,9 +44,6 @@ public class PreviewPanel : WindowsFormsHost, IDisposable
         _control = new PreviewHandlerHost();
         Child = _control;
         _control.Open(file);
-
-        //SetForegroundWindow(new WindowInteropHelper(context.ViewerWindow).Handle);
-        //SetActiveWindow(presenter.Handle);
     }
 
     [DllImport("user32.dll")]