A virus checker will scan a computer to check whether it has been infected with a virus, spyware, or other malware. The benefit of having a virus checker is to keep one's computer from crashing and protect confidential files.
It scans your computer for viruses
Google virus checker or free virus checker and download the required software. It will then do its own thing to keep your computer clean and free of viruses.
Install virus software
You can use a virus checker such as ClamXav (See links below) to check f there is a virus in a MacBook but as there are no viruses currently threatening Mac OS X the answer will be "No.".
I install aVast Anti-virus & I install FireFox & adobe Flash & reader then I check for windows updates.
Some essentials include a good firewall, virus checker, spyware checker, Mozilla Fox, and the Google toolbar just to name a few.
It depends on whether it's a new virus or an older one. If it was active before the program stopped updating the virus checker will still find it assuming the program is still active.
You computer will be at less risk from computer viruses if you run a virus checker/antivirus software..
The only "prize" you get from the fame checker is mail you receive via the fame checker from each person in the checker that's it.
define what is a food checker?