I bought a computer from someone i knew and it has an administrator password so i can't do anything with it and i can't get in touch with the one who set up the password what can i do?1 person needs an answerI do too

Best practice with a used computer, no matter its provenance, is to do a clean install of Windows. This makes knowing the administrator password unnecessary. http://michaelstevenstech.com/cleanxpinstall.html - Clean Install How-To http://www.elephantboycomputers.com/page2.html#Reinstalling_Windows - What you will need on-hand MS-MVP - Elephant Boy Computers - Don't Panic!