Verify your virus database definitions:

Error in McAfee virus definition causes popular sites to be flagged as a threat
An erroneous McAfee update definition file causes the antivirus software to mistakenly report that certain sites are running malicious code when they are not. It caused a stir over at Ars Technica, where readers wrote in en masses about their antivirus software setting off an alert upon...

http://blogs.techrepublic.com.com/tech-news/?p=1835
and here:
http://isc.sans.org/diary.html?storyid=3803


How to fix:

http://www.mcafee.com/apps/downloads/security_updates/dat.asp

>Yes it is the arstechnica link, just tested it again, it is still there.
>If your virus scanner didn't pick it up, I guess your infected.
>
>>Do you mean the http://arstechnica.com link? I would be suprised if that page had a problem....but I guess ya never know.
>>
>>>Hi,
>>> The link on the front page regarding the seagate hdd problems has a virus JS/MS06-014!exploit