It's written in a polite form. If they start closing stuff like that, then, their forum becomes pretty useless if people can't express their opinion politely.
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Turning off anti-virus is pretty funny IMO. Anti-virus usually have a gaming profile that pretty much turns off automatic update or scheduled scans. That's what their tech support should suggest. Also, they can white-list a s website so the anti-virus doesn't deep scan all files that are downloaded.