Hello. I used to be able to join the game without issues before a couple of days ago. I believe it might have something to do with a windows update or the windows firewall. I can host single player still, just can't join or create multiplayer rooms. I have tried using all patches, re-installing voobly and the game, restoring firewall settings to default, rebooting PC, I use the recommended game/lobby settings. I also tried disabling real-time protection, cloud-delivered protection and automatic sample submission on windows firewall. I really want to avoid windows back-up/restore/etc at all costs. Although I'm only a casual player, I convinced one of my friends to start playing aoc and would really love to be able to play again, thanks.

Hi. Please run network and game diagnostics. Post the screen shots here, thank you.

Game:
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Network:
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Hi please follow this guide to make sure voobly is allowed through your firewall https://support.voobly.com/display/vkb/KB1035+How+to+configure+Windows+Firewall+to+play+on+Voobly

I re-installed windows in the end to fix the issue. Thanks anyways.

You are welcome. Enjoy your gaming experience