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Unhandled Exception with XLSX and CSV files #1854
Description
Describe the bug
I have multiple XLSX and CSV documents saved on my Desktop. Twice this evening, I have received exceptions when QuickLooking the files.
To Reproduce
Steps to reproduce the behavior:
- Navigate to an XLSX or CSV file.
- Press the
Space Barto activate QuickLook - The preview is shown, but an unhandled exception report is generated.
Expected behavior
The preview is shown, and there is no unhandled exception.
Desktop (please complete the following information):
- OS Version: Windows 11 Pro 25H2 (26200.7462)
- QuickLook Version: 4.3.0 from Github
Screenshots and Exception Log
************** Exception Text **************
System.Runtime.InteropServices.COMException (0x8001010D): An outgoing call cannot be made since the application is dispatching an input-synchronous call. (Exception from HRESULT: 0x8001010D (RPC_E_CANTCALLOUT_ININPUTSYNCCALL))
at QuickLook.Plugin.OfficeViewer.IPreviewHandler.SetRect(Rectangle& rect)
at QuickLook.Plugin.OfficeViewer.PreviewHandlerHost.OnResize(EventArgs e)
at System.Windows.Forms.Control.OnSizeChanged(EventArgs e)
at System.Windows.Forms.Control.UpdateBounds(Int32 x, Int32 y, Int32 width, Int32 height, Int32 clientWidth, Int32 clientHeight)
at System.Windows.Forms.Control.UpdateBounds()
at System.Windows.Forms.Control.WmWindowPosChanged(Message& m)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
Reacted by Copilot
Activity
avagdumortesin commentedon Jan 11, 2026
After I posted this, I noticed that 4.4.0 is available; I installed it from the MSI, and am still seeing this error.