It could have any virus. If you do remember or have any idea how you get the virus on computer (visiting a website, executing a binary file or so on) let me know. I will try to produce the problem in my computer and let you know how to remove it if i get succed . For now Visit the folowing page and follow the instruction.


http://www.google.com/support/forum/p/Web%20Search/thread?tid=500bfdf010afe67c&hl=en


Hope it helps.