If your PC is already infected, see the anti-virus section below. Back to top Happy99 Happy99 is another virus being spread via e-mail. At the same time, happy99 infects the PC such that all e-mail being sent will have happy99 as an attachment. Inform the sender they have the happy99 virus. If you are not running anti-virus software, you should.
Viruses can come in e-mail or downloaded programs.
If you are running anti-virus software, make sure you upgrade the virus information on a regular basis. The software manufacturers regularly post updates on their websites. There are always viruses running around on the Internet. It's important not to panic. Just remember a few guidelines and you should be safe.