Weird things happening in Windows 11

I have a Fujitsu Lifebook Laptop E754 with Windows 11 21H1 from 2021 installed.I used it for half a year, but now are some weird things happening.Firstly it became to add wierd texts to my clipboard like an empty text or '1PAzUW1XfuqMBbvQncgRD7TJgrpCCXdYkL'.Then it often opens the Windows Editor with an unusual filename C:\SESSION: {an then different text name each time}.But now it came a black screen - no output of anything, then the screen went on again and I saw it installedAmazon I didn't opened it. I cannot uninstall it. When I tried to uninstall Amazon there was the console win