The section "Removal Instrctions" on the page you have listed tells you exactly what you need to do.
The engine is the application which performs the virus scan. The dat file is the "encyclopedia" of virus identies. The two together make up your virus scanner package.
What the McAfee page is telling you is to download the latest version of these files (if it's McAfee that you are using) and re-scan your PC.
You will be suceptible to these viruses if you use peer-to-peer applications (such as KaZaa) or something like MSN messenger.
You should make sure that:-
Some anti-virus manufacturers are now issuing multiple updates every day in order to keep up to date with new virus mutations. It's not completely foolproof, because the virus needs to be found and analysed before it's identity can be added to the pattern file, but keep it up to date and you have a fighting chance of staying clean...
Of course, not using P2P applications and MSN messenger would help.
The engine is the application which performs the virus scan. The dat file is the "encyclopedia" of virus identies. The two together make up your virus scanner package.
What the McAfee page is telling you is to download the latest version of these files (if it's McAfee that you are using) and re-scan your PC.
You will be suceptible to these viruses if you use peer-to-peer applications (such as KaZaa) or something like MSN messenger.
You should make sure that:-
You have a decent virus scanner
Downloads can be obtained over the internet (either from the web site, or through the application itself)
You should check for new updates every day.
Some anti-virus manufacturers are now issuing multiple updates every day in order to keep up to date with new virus mutations. It's not completely foolproof, because the virus needs to be found and analysed before it's identity can be added to the pattern file, but keep it up to date and you have a fighting chance of staying clean...
Of course, not using P2P applications and MSN messenger would help.