A “500 Internal Server Error” in League of Legends technically means the problem is on Riot’s end (their servers are failing to handle your request).
However, your client often gets “stuck” trying to reach a broken server node. Here is how to force a fix, ranked from the easiest “refresh” methods to the deeper network repairs.
Scenario A: You are in the Client (Store/Lobby)
If you get this error while trying to buy RP, open the store, or view your profile, the client session has timed out.
1. The “Force Refresh” Trick
There is a hidden refresh command in the League client.
Click anywhere inside the client.
Press Ctrl + L.
This does not restart the game; it specifically reloads the UX/UI (like hitting F5 on a browser).
2. The “Low Spec” Toggle
This forces the client to reload its visual assets.
Go to Settings (Gear icon, top right).
Check “Enable Low Spec Mode”.
Click Done (The client will briefly reload).
Go back and uncheck it.
3. Delete the Cache
If the error persists, your client is holding onto a “bad” version of the store page.
Close the client completely.
Go to your Riot Games folder (usually
C:\Riot Games\League of Legends\Config).Delete the folder named
LeagueClient.Relaunch the game. (It will reset your settings, but often fixes the store).
Also Read : ea.com/unable-to-connect
Scenario B: You Cannot Log In (or Game Won’t Start)
If the 500 error appears on the login screen, it is a connection handshake issue.
1. Check Server Status First
Before doing technical work, ensure Riot isn’t currently down.
Check status.riotgames.com.
If you see “Store Issues” or “Login Issues,” do not change your settings. You just have to wait.
2. Change to Public DNS (Most Effective Fix)
Riot’s servers sometimes block specific ISP routing.
Windows:
Open Control Panel > Network and Internet > Network and Sharing Center.
Click your connection (Wi-Fi/Ethernet) > Properties.
Select Internet Protocol Version 4 (TCP/IPv4) > Properties.
Select “Use the following DNS server addresses”:
Preferred: 8.8.8.8
Alternate: 8.8.4.4
Click OK and restart the client.
3. The “Hextech Repair Tool”
If nothing else works, use Riot’s automated tool to force a “clean” patch.
Download the Hextech Repair Tool.
Run it as Administrator.
Check “Force Repatch”.
Let it run (it may take 10-15 minutes).
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