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System.Runtime.InteropServices.COMException: Windows Explorer (explorer.exe) just crashed and this caused the virtual desktop service to fail! FancyWM received the following error message: Retrieving the COM class factory for component with CLSID {C2F03A3

#443OpenMoacyr007 创建于 2026-02-20
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**Describe the bug** Observing the following error: ``` System.Runtime.InteropServices.COMException (0x80004005): Windows Explorer (explorer.exe) just crashed and this caused the virtual desktop service to fail! FancyWM received the following error message: Retrieving the COM class factory for component with CLSID {C2F03A33-21F5-47FA-B4BB-156362A2F239} failed due to the following error: 80040154 Class not registered (0x80040154 (REGDB_E_CLASSNOTREG)). ---> System.Runtime.InteropServices.COMException (0x80040154): Retrieving the COM class factory for component with CLSID {C2F03A33-21F5-47FA-B4BB-156362A2F239} failed due to the following error: 80040154 Class not registered (0x80040154 (REGDB_E_CLASSNOTREG)). at System.RuntimeTypeHandle.AllocateComObject(Void* pClassFactory) at System.Activator.CreateInstance(Type type, Boolean nonPublic, Boolean wrapExceptions) at WinMan.Windows.Windows.Win32VirtualDesktopService26100.Connect() at WinMan.Windows.FaultTolerantWin32VirtualDesktopService.ExecuteWithRetry[T](Func`1 func) --- End of stack trace from previous location --- at WinMan.Windows.FaultTolerantWin32VirtualDesktopService.ExecuteWithRetry[T](Func`1 func) at WinMan.Windows.Win32VirtualDesktopManager.WinMan.Windows.IWin32VirtualDesktopManagerInternal.IsNotOnCurrentDesktop(IntPtr hwnd) at WinMan.Windows.Win32Window.<GetIsTopLevelVisible>g__CheckCloaked|130_0(<>c__DisplayClass130_0&) at WinMan.Windows.Win32Window.GetIsTopLevelVisible(IWorkspace workspace, IntPtr hwnd) at System.Linq.Enumerable.ArrayWhereIterator`1.ToArray() at WinMan.WorkspaceExtensions.GetCurrentDesktopSnapshot(IWorkspace workspace) at FancyWM.TilingService.<>c__DisplayClass125_0.<OnWindowGotFocus>b__0() at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs) at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler) at System.Windows.Threading.DispatcherOperation.InvokeImpl() at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj) at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state) --- End of stack trace from previous location --- at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state) at System.Windows.Threading.DispatcherOperation.Invoke() at System.Windows.Threading.Dispatcher.ProcessQueue() at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled) at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs) at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler) at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam) at MS.Win32.UnsafeNativeMethods.DispatchMessage(MSG& msg) at System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame) at System.Windows.Application.RunDispatcher(Object ignore) at System.Windows.Application.RunInternal(Window window) at FancyWM.Startup.AppMain(String[] args) at FancyWM.Startup.Main(String[] args) at FancyWM.GUI.Program.Main(String[] args) ``` **To Reproduce** Steps to reproduce the behavior: 1. Open '...' 2. Resize '....' 3. Enable '....' 4. See error **Expected behavior** A clear and concise description of what you expected to happen. **Desktop (please complete the following information):** - OS: Microsoft Windows NT 10.0.26200.0 - FancyWM Version: 2.18.5.0 **Additional context** Random crash while having multiple windows open on 3 virtual desktops
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