Expert: James Filmer - 2/23/2009

Question
Hi there,
Hope you're doing well and wondering if you can please help me out.
I'm using Firefox 3.0.6 and going to Tools -> Options -> Content -> Block Pop-up Windows = I keep checking this and there are also no websites when I select the Exceptions button, but no matter what, it will always automatically uncheck within 1-2 minutes of checking "Block pop-up windows." The pop-up windows start coming again incessantly (avg. every 30 seconds-2 minutes, it is to the pt. where I'm unable to stay focused on my work).
I have McAfee protection, I've cleared cache, cookies, temp files, history, and I run anti-spy programs on a minimum monthly basis. I just don't understand this.
PLEASE help. I would really appreciate it! Thanks so much! :)

More info if needed:
-MS windows XP professional v. 5.1.2600 pack 3
-Dell x86 2GB desktop
-Pop-ups in the last 10 minutes include:

A) Yahoo! 404- page not found (5 of these): The page “http://85.12.43.105/go/?cmp=system32&uid=60da025e010111deaba...” can't be located.

B) Whitepages.com mortgages in Pinole, CA search

C-E) Internetopiniongroup.com  FoodMarket Panel Lays ad & Bonus Rewards Offer & Offer Page with Security Alert message.

Answer
Hi Ari,
Please see: http://kb.mozillazine.org/Preferences_not_saved
"Other software prevents preference changes": McAfee
If not that, hopefully it's something else mentioned for a relatively easy fix.

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Just wondering if you found the solution to your problem...