How to repair the “Connection failed” error in Stardew Valley Temporarily disabling the Windows Defender firewall may also help you solve the problem. If you have third-party antivirus software installed, you can try temporarily removing it. Sometimes antivirus programs can interfere with your game, which can cause Stardew Valley to be unable to connect to multiplayer.
You can also use an invitation code to join the game. Before proceeding with the following troubleshooting methods, you can try rebooting your system and network devices. The problem can be caused by many factors, such as antivirus software and internet connectivity.
