When trying to start [Windows Terminal] on a PC upgraded from Windows 10 to Windows 11
Workaround
Windows Terminal (PowerShell) should now launch properly. You can also launch it from [Pinned] in the start menu or from [All apps]. How to Customize the Windows 11 Start Menu Then [Windows Terminal] starts normally like this. Other Windows 11 settings and usage are summarized, so please refer to it.