I'm on Windows 11 Home and Excel 365 2408. In workbooks with VBA code that displays MsgBoxes, these MsgBoxes display as blank rectangles with title bar most of the time. They are vbOK / vbYesNo+vbQuestion / others. When this happens, I can make the content of the MsgBox appear by pointing at the Excel button in the taskbar. The code does not manipulate Application.ScreenUpdating or .DisplayAlerts, and as far as I know, this should not affect MsgBoxes anyway. It's not limited to a specific workbook, so not to specific VBA either. Anyone any idea what's going on here?
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