sigh. Another testiment to ignorance.
Nevermind the disclaimer that AO issues:
! ! PLEASE BE AWARE that some download files may include harmful or malicious code. Before downloading any files from AntiOnline, please verify all sources and make sure that you have adequate protections in place. By downloading any of these files, you agree to release us and to assume full responsibility for any damage which may be caused to your computer system, databases, files or other hardware or software, and understand that these files have not been checked, reviewed, approved or in any way endorsed by us. If you have any concern, then do not download.
So what does McAfee SiteAdvisor do? red flags AO. Full details here and expanded details here