Nadie
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I've encountered this issue before, but I wasn't sure if it was caused by a mod or not. I didn't bother to recheck because I had to wait for about an hour and a half in GameRanger to play a single match. I live in Spain and don't have any Russian friends who play Heroes.
The main problem is that I don't even know if it's fixable, I don't have much experience, and without help, I can't fix it.