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Check How to Fix ‘League of Legends Error Code 900’ on Windows PC
League of Legends is a MOBA game that can be played by up to five players per team. The objective of the game is to destroy the other team’s base or destroy the inhibitor towers that protect the enemy’s base. This type of game usually has a lot of action and fast-paced battles. This might be interesting for you if you are a MOBA fan or want to play League of Legends with your friends and family. The League of Legends store is currently down and experiencing issues. Many users report problems (error code 900) with the game.
If you’re trying to log in to League of Legends and it’s not working for you, don’t worry, it’s not working for many users. Many users have reported login issues and server issues on the League of Legends servers. League of Legends has been around for years and has dominated the esports scene. However, over time, it has created a whole gallery of bugs and error codes that appear out of nowhere to haunt your gaming session. In this guide, we will teach you how to fix League of Legends error code 900 on Windows PC.
How to fix ‘League of Legends Error Code 900’ on Windows PC
Game client restart
If you haven’t tried it yet, you should get started by simply restarting the League of Legends client. According to some affected users, this has resulted in error code 900 being fixed on many Windows PCs. In addition, you must also log out of your account before restarting the client. To do this, click the X icon in the upper right corner of the screen, then click Sign Out in the context menu that appears.
Once you have logged out of your LOL game client and successfully closed it, open it again and re-enter your user credentials before trying to access the store again. If the issue is still not resolved and you are still seeing the same 900 error code, please proceed to the next possible solution below.
Clear internet options cache
- Make sure League of Legends and the game launcher are completely closed.
- Press Windows Key + R to open a Run dialog. Next, type ‘inetcpl.cpl’ inside the text box, then press Enter to open the Internet Properties screen.
- Inside the Internet Properties screen, click the General tab, then click the Delete button under Browsing History.
- On the Delete browsing history screen, check the following boxes and leave the others unchecked:
- Temporary Internet Files and Website Files
- Cookies and website data
- form data
- As long as the Delete Browsing History window is configured correctly, click Delete and wait for the operation to complete.
- Once the operation is complete, launch League of Legends once more, open the store and see if the error code 900 still appears.
League of Legends Reinstall
- Press Windows Key + R to open a Run dialog. Next, type ‘appwiz.cpl’ inside the text box and press Enter to open the Programs and Files menu.
- Once you are inside the Programs and Features menu, scroll down the list of installed apps until you find your League of Legends installation.
- When you see it, right-click on it and choose Uninstall from the newly appeared context menu.
- Within the uninstall screen, follow the instructions on the screen to complete the operation, then restart your computer.
- Once the next startup is complete, download the latest version of the League of Legends client from the official website and follow the instructions to complete the installation.
- Once the installation is complete, open the game once more and see if the problem is now fixed.
Whitelist LOL executables in Firewall and Antivirus
- Open a Run dialog box by pressing Windows Key + R. Next, type ‘control firewall.cpl’ inside the text box and press Enter to open the Windows Firewall window.
- Once inside the Windows Defender Firewall screen, click Allow an app or feature through Windows Defender Firewall.
- Once you’re inside the allowed apps menu, click the Change Settings button, then click Yes at the User Account Control prompt.
- Once the list is fully editable, click Allow another app (directly below the list), then click Browser and navigate to the location where you installed League of Legends.
- Once you have successfully managed to add the main game executable to the allowed list in Windows Firewall, find the entry within the list of allowed applications and features and make sure that the Private and Public boxes are checked.
- After making the correct modifications, follow step 1 again to return to the initial firewall menu. Once you return to the initial menu, click on Advanced Settings in the menu on the left.
- On the next screen, click Inbound Rules in the menu on the left, then click New Rule.
- Within the New Inbound Rule Wizard, click Port when prompted to select the Rule Type, then click Next.
- Finally, choose TCP/UDP from the list of options and enable specific local ports, then make sure all ports shown below are added:
- Once you get to the Action message, click Allow the connection and hit Next one more time.
- When you get to the Profile step, start by checking the boxes associated with Domain, Private, and Public before clicking Next once more to save your changes.
- Make sure your exception rule you just created is active, then click Finish to complete the procedure.
- Once all potential ports that League of Legends could use are whitelisted, restart your computer and launch the game on the next startup to see if the issue is resolved.
Third Party AV Suite Uninstall (if applicable)
- Press Windows Key + R to open a Run dialog. Inside the text box, press ‘appwiz.cpl’ and press Enter to open the Programs and Files menu.
- Within the Programs and Features menu, scroll down the list of installed programs and locate the third-party antivirus that you suspect might be causing the conflict. When you see it, right-click on it and choose Uninstall from the newly appeared context menu.
- Inside the uninstall screen, follow the instructions on the screen to complete the uninstall, then restart your computer at the end.
- Once your computer restarts, launch League of Legends once more and see if the issue is now resolved.
Open a support ticket with RiotGames
- Open your favorite browser and go to the Riot Games support link.
- Within the support link, click on League of Legends from the list of available options.
- In the next menu, click Get Technical Help from the list of options.
- From the next screen, scroll down to the bottom of the screen and click Submit Ticket (under “I can’t find what you’re looking for”)
- Finally, choose a request type from the list of available options, then press submit and wait for a support agent to contact you.
Final words: How to Fix ‘League of Legends Error Code 900’ on Windows PC
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