I think have a virus but nothing comes up when i scan with mcafee. My desktop is constantly refreshing or crashing, and many programs crash ALOT. This has been going on for awhile. Any help would be very appriciated.

Use HiJackThis to track down or check for possible infections. Here is all the the info needed to empower yourself, anything you are not sure of, put into a search engine like Google. Read this link 1st, it has step by step. http://www.wilderssecurity.com/show... Important: Create a specific folder on your hard drive called HijackThis to keep its backups. You can do this by going to My Computer (Windows key+e) then double click on C: then right click and select New then Folder and name it HijackThis. Download and unzip HijackThis.exe into this folder. http://www.merijn.org/downloads.html Or, http://tomcoyote.com/hjt/ Or, http://www.spywareinfo.com/~merijn/... If possible run HJT in Normal mode ( not Safe ) with all your normal startup's working. HijackThis Tutorial - How to Analyse your own log. http://spywarewarrior.com/viewtopic... http://hometown.aol.co.uk/jrmc137/h... http://www.bleepingcomputer.com/tut... http://www.malwarehelp.org/understa... HijackThis log file analysis ( online ) http://hijackthis.de/index.php?lang... Or, http://startup.networktechs.com/pag... http://hjt.iamnotageek.com Malware Prevention: Prevent Re-infection http://wiki.castlecops.com/Malware_...