When Windows stores a password, it is done so by hashing the password in an LM hash and putting it in the Windows SAM file. In the scary moment that you lose your password, but don't want to pay some ...
It's not a villainous level, isn't it? To use it, just download the ISO image of 'Ophcrack 2', burn it to a CD-R with your CD-R burning software, and start your PC using this CD-R. In short, it starts ...