You can fix it by resetting the network adapter. Once its data gets corrupted, you may encounter network issues like League of Legends can’t connect to game. It is a supporting program in the Windows operations system as well as a programming interface. Network adapter plays an important role in supporting your Windows network software to access network service. Now, relaunch the game and see if it’s still unable to connect to authentication service League of Legends.

Step 3. Select the checkbox for from the list of programs and click OK to save the change. Step 2. Click on Allow an app or feature through Windows Defender Firewall from the left pane. Step 1. Type firewall in the search box and then select the Windows Defender Firewall from the context menu.

If it doesn’t work, you can try allowing this game through your Windows Firewall. To fix the issue of “unable to connect to authentication service League of Legends”, disable Windows Firewall temporarily. Sometimes, your Windows Firewall or antivirus program might block the game from accessing its server. Add League of Legends to the Exceptions List In this case, all things you can do is to wait.Īfter you checked the server status and everything is in order, relaunch the program and see if the issue “League of Legends unable to connect to server” still persists. Click here to check the Riot server status. It is possible that the server status is down or there are any issues with the server. When League of Legends can’t connect to game, the first thing you should do is to check the Riot games service status.

Riot client services download