Avast Keeps Blocking Killing Floor 2 Server

The last time this happened I uninstalled Avast and reinstalled it, and for a while that actually worked. But now it’s decided to block the program again. I uninstalled and reinstalled but this time it did not fix the issue. I’ve allowed the connection in the firewall settings but still it just refuses to unblock it.

https://www.dropbox.com/s/xbag15jqzb14hl6/Untitled.png?dl=0

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Gotcha.

Well I’ve been messing around a bit and even after stopping the Firewall and Windows Firewall it is still being blocked by something. All the ports are properly open as I have done the checks but still something is blocking it. I don’t know where to go from here.