Trados Studio 2022 build 11695 closes immediately after views getting initialized during splash screen

One of our users has this weird issue that Studio 2022 closes immediately after the opening splash sceen shows "Views initializing"

Then you can see that the process of studio gets closed in task manager. No error message. It simply closes Studio before the main ui gets displayed. I tried to use SDL Fresh App but it does not support 2022 so far so i manually tried to fix it by renaming the usual files/folders as *.bak but studio still does not open the program. Anybody an idea what i can do? I do not want to reinstall windows just because of this issue with Studio. Meanwhile latest Studio 2021 installed fine and works as intended.

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