This first happened on a pentiumn desktop that had been running perfectly for some time. Then it happened on my Sharp notebook that had also been running fine. A friend asked me to clean up all the unnecessary programs for a new HP notebook she just bought and hadn't been even turned on yet. That notebook did the same thing after it was turned off/on the first time (nothing was modified). I just bought a new Toshiba notebook, and after 1 month, it happened. This is really strange. I have gone as far as completely erasing the hard drive(s) with Secure Erase, reinstalling the original operating system(s), and still have had the problem. I don't understand why this would happen on a computer that was running perfectly when no new programs were installed and no modifications were made, and hadn't been exposed to the internet. All of the computers have XP Home wSP2, Symantec Internet Security 2005, Webroot Spy Sweeper. The HP notebook had Symantec preinstalled only. I have used Hijack This, Adaware, and several other programs, but do not see any spyware or problems.
I was wondering if anyone has heard about this? The only thing in common with all the computers is the operating system and Symantec.