If I were you, I'd be more focussed on getting rid of Limewire and less concerned about virus 'rumours'
As stated, it's a part of Windows, and it's purpose is explained in the link provided - it's telling you there's something wrong with your system - removing or disabling it would do nothing to alleviate whatever problem you are experiencing
It is possible to educate yourself y'know - there are reliable sources of information:
Acebot
Best defence is to not download from disreputable sources, and to have decent full time antivirus and security applications installed
If you don't have such things, you might try an online scan (until you do)
I'm not one of those who think Bill Gates is the devil. I simply suspect that if Microsoft ever met up with the devil, it wouldn't need an interpreter.