On Thu, 6 Sep 2007, Kenneth Buu wrote:

> One of my friends has a virus in his computer that will not allow him to 
> access internet whatsoever, thus preventing him from downloading any 
> anti-virus software on the internet(I guess he didn't have any anti-virus 
> before).  He has tried downloading anti-virus software from other people's 
> computer, but the computer refuses to recognize it.  What shall he do?

The only safe way to clean up after a virus is to wipe the disk and reinstall 
everything from scratch.  If you're feeling lucky, you can put the disk in an 
external USB enclosure and pull your files off, but you run the risk of 
copying over infected files that can end up reinfecting your system.

Installing anti-virus software can *sometimes* make a system safe after an 
infection, but it's a losing battle (despite what the manufacturer might tell 
you).  There's no guarantee that your system is actually clean, even if the 
software says it removed the virus.  It's only clean as far as the anti-virus 
software can tell.
--------------------
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