1.Delete files from C:\Documents and Settings\XXXXXX\Local Settings\Temp 2.Delete Temporary Internet Files 3.Delete unwanted software. 4.Scan for viruses,Spywares that slows down your computer 5.Defragment your hard disk 6.Go to Start,Run and type "msconfig" then go to Startup tab.Now here you can deselect the programs that slows down your pc. 7.Go to Start,Run and type "regedit" then go to +HKEY_CURRENT_USER > Control Panel > Desktop.Now search for MenuShowDelay,double click and change value data from 400 to 0
If you want your computer to work faster go to My Computer right click Properties > Advanced tab >Performance click Settings and click adjust for best performance.
These are 3 good antiviruses that i use.Eset is good becouse it has firewall but Malwarebyte and Spyware Doctor are better for scan. www.malwarebytes.org www.pctools.com/spyware-doctor www.eset.com