Web Reference: There seems to be an issue with Game Guard connecting through the firewall to the server, and two separate steps you should do to alleviate the issue, so follow along and you should be good to go in a few minutes. Tested on Windows 11 (Win 10 pathing should be similar) Feb 26, 2024 · I got the error message saying failed to join lobby. My roommate was on the same internet, he had no trouble. So I saw a possible fix on reddit and, thanks god, It worked for me!!! So I decided to share with you guys having the same problem: "In Windows file explorer go to Appdata, roaming, arrowhead, helldivers2 delete the user config." Aug 27, 2025 · Helldivers 2 thrives on multiplayer gameplay, but your fight for Super Earth may have been thwarted by the “Failed to join lobby” error. If that is the case, we have the fix you need.
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