Hi! I had a problem for weeks as Pro Evolution Soccer 2018 suddenly stopped working online and displayed only error messages. I tried to solve it with Konami support work few weeks but we got nowhere. But now I just saw the solution posted on Steam PES 2018 discussion forum: the solution is to include PES2018.exe into F-Secure Deep Guard's excluded list. Once I did that the online gaming started to work again. I suggest F-Secure checks out why PES2018.exe is blocked as it seems to cause problems to online gamers. Here is the discussion forum on Steam on this topic: http://steamcommunity.com/app/592580/discussions/0/1480982338949084407/?ctp=2 Cheers.
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