Ok then, i'll get a new copy.Thank you for the help

Ok then, thanks for the help, i need a new windows copy now, right?

But how come i can get on safe mode without a problem

Well i upgraded everything except my HDD (graphics card too)

Hello, today I upgraded my hardware, I start the pc on windows 7 (i'm dual booting) and everything goes smoothly.
Then I start the pc with Windows 10, after a lot of time from being stuck on...