I agree with lordebon. ProfitUI does nothing to the Launchpad, and neither does any other UI mod. Anyone who tells you that it does needs more training in the basics of how the game runs.
I am puzzled by the issue you're having. I haven't had anything like that and haven't heard of anyone reporting such. I'd try to think of anything on your system that monitors web traffic (like a firewall, or anti-malware agents, etc) and temporarily disable those to see if the problem goes away.
-= Therendil =-
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