They cannot be activated except when the application is running. These are very common, though, because people frequently exchange Word documents and Excel spreadsheets. Trying it probably won't hurt, though. Lock the anti-virus boot diskette before putting it into your computer to prevent the virus from spreading to it. Boot the computer and run the anti-virus program.
Viruses are a real concern in today's computing environment.
The most important thing is to make a routine of checking your computer and files for viruses using the latest anti-virus program. And whatever you do, don't panic, but seek help when needed. Computer TLC is a monthly column maintained by the Computer Help Desk staff.