Windows is very far from perfection, and it will always be.

It finally worked, i entered troubleshoot mode, advenced option and i had a saved partition of 06 march, i don't know i had it but i'm happy it was there , thanks adamf for your help.

Okey, i turned an account with no password into a administrator , and then worked, but it says: insert your windows instalation ot recovey media to continue..
That appears at refresh your pc...

It's not an error, the windows doesn't recognize my account as an administrator one.

i am on 9926, and i don't have a usb right now... i just want to reset the windows..

I entered the troubleshoot mode via safe mode , but it needs an administrator account, when i try to make my account an administrator the button simply hide himself.... how can i make an standart...

I tried to reset but it says that none changes were effectuated , and some error, probabily explorer, how can i start the troubleshoot ,mode without the dvd?

Today i turned on my pc and the explorer.exe error appeared, i refreshed the screen and the icons appeared , but the start button didn't work , i tried to make troubleshoot but nothing... the worst...