Have you tried viewing BF on a PC with an adblocker?
You probably haven't given enough details, like other sites that might have this outcome, other versions of vBulletin on sites that have ads...
You haven't tried other adblockers, regardless of how the staff and owners feel about that, so you haven't really found what the problem could be, other than 'It hurts when I do this, doc'...
and of course the punchline is, "Then don't do that".
If ads are that bad then a premium membership is cheaper than a new tire...I would say that, look at my ID.
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I don't know nothing, and I memorized it in school and got this here paper I'm proud of to show it.