Good free registry DLL repair?

ok just remoevd a ton of spam viruses and now my computer wont let me instal many programs ( any) so i think its because all the regisrty files i had to remove.

help please?

as said in your other post…

you need to follow this guide and attach the logs http://forum.avast.com/index.php?topic=53253.0

then essexboy will help you when he arrive here late UK time tomorrow