Q&A: How do I uninstall windows xp (without registry info) and reinstall to clean virus-laden computer?

Question by ais: How do I uninstall windows xp (without registry info) and reinstall to clean virus-laden computer? My computer is full of viruses and I downloaded avira and zonealarm but I still get trojans every time I start up. A friend told me that I should re-install windows xp and this would fix it, however when I try to UNinstall the xp that’s on there on safemode command prompt it will not let me because I don’t not have the “registry information.” However, I believe this would be impossible to obtain seeing as I bought the IBM used! I [...]