Computer and Browser Slowness: Malware or Not?
In many cases slowness is due to malware infestation, however, this is not always the cause.
Here are some tutorials with suggestions for things you can do to improve speed and system performance:
Slow Computer/browser? Check Here First; It May Not Be Malwarehttp://www.bleepingcomputer.com/forums/topic87058.html
Slow Computer Checklist(Please scroll down to the text instructions and do not follow steps in advertisements on the page.)http://www.bleepingcomputer.com/forums/topic44694.html
Help! My computer is slow!http://users.telenet.be/bluepatchy/miekiemoes/slowcomputer.html
** Not all apply to pre-XP versions of Windows.