How can I protect my computer?
   
1. Get anti-virus software, and use it.
2. Don't open file transfers from strangers.
3. Update your anti-virus software regularly.
4. Make back-ups of your important files regularly.
5. Run your own virus-check on any file someone sends you.
6. If you exchange floppy disks, virus-check your floppies.
   
Some Leading Anti-virus Software:
AOL Shopping - Virus Protection Software
CNET.com Antivirus Software