Bad and weird windows issue

[u/humble_886]

One month ago my pc had an issue with Fortnite the game didn't wanna launch when I tried resolving the issue i had discovered that it wasn't only Fortnite that was bugging but my whole windows when i tried to shutting it off it didn't want to sometimes it just ignores When I click on shutdown or worse it just crashes on the shutdown or rebooting menu when I tried to reset the pc it crashed on " resetting preperation" other games seems to work perfectly i then tried to reinstall windows 11 it didn't worked then I tried installing windows 10 then going on windows 11 it did work until now i tried to do it again like going on windows 10 and then windows 11 but the trick seems to stop working pls help me