From your PC Pitstop report, you have a lot of junk installed:
Uninstall anything that says Yahoo
Uninstall Limewire (P2P) - one of the primary vectors for computer viruses
Search Toolbar
GoldWave (unless you are still using it)
J2SE Runtime Environment 5.0 Update 5
Java™ 6 Update 18
Netscape Browser (unless you use it)
PC-Doctor 5 for Windows
Anything with Google
WeatherBug
Microsoft Office 2003 Edition 60 Days Trial Welcome Tour
Download and install Java 6 Update 21 from java.com
Did you have problems with lost files? I see these installed. If you no longer need them, uninstall them.
PandoraRecovery
File Scavenger
PC Inspector File Recovery
You also have a lot of WildTangent games. Do you use any of them. If not, uninstall them.
Shooting Stars Pool from Compaq
Polar Bowler from Compaq
Zuma Deluxe from Compaq
Bounce Symphony from Compaq
Polar Golfer from Compaq
5 Card Slingo from Compaq
Mah Jong Quest from Compaq
Ricochet Lost Worlds from Compaq
Barnyard Invasion from Compaq
Insaniquarium Deluxe from Compaq
Lemonade Tycoon 2 from Compaq
Tradewinds from Compaq
Blasterball 2 from Compaq
FATE from Compaq
Snowboard SuperJam from Compaq
Chuzzle Deluxe from
AstroPop Deluxe from 10
Blasterball 2 Remix from Compaq
Lexibox Deluxe from Compaq
Slingo Deluxe from Compaq
SCRABBLE from Compaq
Shrek 2 Ogre Bowler from Compaq
Family Feud
Blackhawk Striker 2 from Compaq
Crystal Maze from Compaq
Boggle Supreme from Compaq
Compaq Game Console and games
Bejeweled 2 Deluxe from Compaq
Super Granny from Compaq
Puzzle Express from Compaq
Bookworm Deluxe from Compaq
Clean up your hard drive, see below for directions:
How to clean up your hard drive to increase free space NOW!, Windows Made Easy
How to free up space on your hard drive - long term, Windows Made Easy
Install Service Pack 3.
See if that makes any difference. If it's still runs slow, go to the
Spyware / Malware / Virus Removal forum, read the info there and follow the posted directions. Once you receive a clean bill of health, come back here if you have any additional questions or concerns or it turns out not to be a malware problem.
Please be patient as that is a very busy area. If you do not receive a response in 3 days, post a message here:
http://forums.whatthetech.com/What_Do_If_Y…ays_t78698.html