We'll be glad to help! Can you tell us about your 'puter? How old is it, what programs are you running, what operating system (XP,'98 or mac) and if you remember, what http://folding.stanford.edu/download.html version did you download?
About six month old, the OS is XP.
the programs are MSOffice, Adobe Professional, Adobe Photoshop, Civ 4, browser is firefox, mail is thunderbird.
Folding @ home 503