Alright i'll do that, sorry for spam posting but the relief i felt had to be expressed haha. Have a nice day!

WAIT I JUST FOUND MY FILES IN Windows.Old, oh my god. Can i somehow reset my computer to that old version?

I didnt, you know you can choose whether you want to delete all files or keep your files. I pressed keep, still nothing left except of League of legends and Skype, have no idea how that worked out :/

Did just as described, Everything i did was following your guide accordingly. Didnt work so i did a system reset where you keep most of your files just some stuff that goes away. When the reset was...