Can't log into my Microsoft Account on the MS store

[Windows 11]

Hello. Recently, I can't log into my Microsoft account on the Store. The errorcode is 0x800704cf. It says that I don't have an Internet connection altough I clearly have. I tried almost everything I found on the internet but nothing seems to work. However, I noticed that I can log in with my other accounts, and that I can log in with this account on other PCs. So it just doesn't work on this PC with this account. I even asked Support but unfortunately, none of their recommendations work. I would appreciate it if you could help me.

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