it may be your internet browser. so you can uninstall it and install again or download a new one to test and see if thats the problem. it may be other things but your last option is just to reboot your computer and save the most important things you need on a flashdrive or just save the files on sendspace.com
thats something i would do.
*theres gotta be one person on zilvia that works for geek squad! get in this thread!* haha