text: my computer keeps freezing. but it only freezes if i leave internet on. when i leave it off it never freezes?   try these. they work and they are free:  run the tool and then download the free spyware and virus protection programs:  malicious virus removal tool: http://www.microsoft.com/security/malwareremove/default.mspx  ad-aware free download: http://www.lavasoft.de/software/adaware/...  avg download free http://free.grisoft.com/doc/1  yahoo toolbar has good pop-up blocker: http://toolbar.yahoo.com/  good luck