Computer Running Slow, Any Suggestions?

try to optimize your computer
 
1. delete all the junk file like temp , %temp% , prefetch.
Start > run > type Temp > ok . delete all the files ( same as %temp% , Prefetch )
2. Run disk clean up.
Start > program > Accessories > system tools > Disk clean up.
3. Increase virtual memory.
Go to my computer properties > Advance > Under Performance, click on the Settings button > Under Virtual Memory, click on the Change button > Here is where you decide the amount of Virtual Memory that you need to increase. Try playing around with a few hundred megabytes above the assigned amount.
http://www.ehow.com/how_2282429_increase-virtual-memory-windows-xp.html
4. Disable all the startup itemps from msconfig.
Start > run > type msconfig > ( Startup Tab ) System Configuration Utility.
http://www.ehow.com/how_4831800_disable-startup-items-using-msconfig.html
5. run Disk defrag.
6. Scan your computer Weekly bases with using any good antivirus and Spyware removal software.