The best way to protect yourself against viruses is to prepare you computer in advance. One way to to do this is with an updated virus program. If you receive an email, first check the attachment with an anti virus program before opening it.

Another way to protect against viruses is to make sure you write protect all your disks.

If you set the BIOS on the computer to start from a hard disk rather than a floppy disk this helps protect against boot sector viruses.