
In this case, you should be able to fix this problem by resetting Internet Options and as well clear browsing data on your gaming device. Some temporary files generated by the Store component might end up creating this error code. The LoL launcher uses Internet Explorer dependencies. If you are still experiencing same issues, repeat the steps and also kill the KillerServiceNetwork.exe process, as this program might be prioritizing bandwidth to your online streams and reducing the bandwidth for League of Legends, causing a disconnection issue for you. Reopen the League of Legends Client application and log in again. Then open Task Manager and kill all processes of RiotClientServices.exe and LeagueofLegends.exe. So, if the LoL client pops up with the error, press Alt+F4 on the client and click Sign out and not Exit. According to most affected users, you should be able to resolve this simply by restarting the LOL game client and re-signing with your account credentials. This issue could be due to a minor game store glitch. Let’s take a look at the description of the process involved concerning each of the listed solutions.


You’re likely to encounter this issue on your gaming system due to one or more of the following triggers If so, the suggested solutions provided in this post are intended to help affected users fix the error. You may get the error code 900 when you attempt to log into or while playing League of Legends game on your Windows 11 or Windows 10 gaming system.
