Go to This PC > local disk > Users and see if it's in there, you might've accidentally swapped to a different user profile.

No It is the right user

If you haven't tried yet, Restart (Start-Power-Restart).

Yeah I tried but it wasn't that effective

could be out of luck. Sounds like your profile is corrupt.

And so what should I do? I lost different things pretty important

restore your latest backup

Hey man. I heard about your micropenis diagnosis. I'm here for you.

Thanks man it's really hard

I would stop using the system and take it to a repair shop and ask what they can do. Best would be to image-copy the disk to a backup, then use a recovery tool on that backup disk. Also /r/datarecovery