Start> Control Panel> Accessability Options> Keyboard> Toggle Keys
If you suspect malware, go here:http://www.geekstogo..._Log-t2852.html
AOL is a dog, and places quite a drain on system resources while delivering less than stellar service.
To disable some of the other unnecessary items in your start up menu:http://www.mlin.net/StartupCPL.shtml
If you know when your computer started acting up, you could try using System Restore to a date prior to that. Email and other data will not be lost or changed.
You could visit this site and run the test. It will flag potential problems and areas you could improve or upgrade with tips for your system.http://www.pcpitstop.com/
There are a few XP Tweaks in the sticky at the top of this forum, also.