The answer is somewhere on the board...I wish I had time to use Find to search out the answer.
I've been using Auctiva for years and it's of no worry to me and this issue comes up from time to time and the answer is here on the board.
Anyway...In regards to the McAfee..it's notorious for it's updates booting new items into it's zone which needs to be tweaked. One of those is Auctiva. I haven't used McAfee in almost 3 years, closer to 4...but the updates were what had me dropping their service. I currently use and have used AVG virus (which is free) and haven't had one single incident since switching over.
If you continue to have concerns please do not fail to use the Help button at the top and let Customer Service know of your concerns.