Fix League We have Restored This Installation Error

League of Legends is one of the most popular online multiplayer games with over 180 million monthly players as of 2022. The most common reason behind its popularity is that it is a free-to-play game with no restrictions. Hence if you have a PC, you can enjoy the game at ease. Yet, like all games, League of Legends is not without errors or problems. One such issue is We have restored this installation to an older version of League of Legends which occurs when patching the game. This error will keep in the loop of updating and restoration. Although this issue is caused by incorrect date and time configurations on your PC, a few other possible reasons and troubleshooting hacks are listed in this article. Continue reading this article to fix League we have restored this installation error in Windows 10.

How to Fix League We have Restored This Installation in Windows 10

Several reasons contribute to We have restored this installation to an older version of League of Legends on your Windows 10 PC. Here are a few of them.

• The launched game does not have administrative rights; hence your PC does not allow it to patch.
• There is not enough space on your PC. Patching (the act of including additional codes to enhance gaming) needs some space.
• The installation files and configuration files of the game are corrupt and have to be replaced.
• The game client is corrupt or broken on your PC.
• The overprotective antivirus program or firewall is blocking the game.
• Outdated Windows 10 operating system and drivers.
• There is no stable internet connection to launch and play the game.
• Misconfigured game installation files.

Here is a list of troubleshooting methods that will help you fix error code 004 in League of Legends. Follow them in the same order to attain the best results.

Method 1: Basic Troubleshooting Methods

Following are a few basic troubleshooting methods to fix the said error.

1A. Restart PC

The general trick to resolve all the temporary glitches associated with League of Legends is to Restart your computer. You can Restart your PC by following the steps.

1. Navigate to the Windows Power User menu by pressing the Windows and X keys simultaneously.

2. Select Shut down or sign out.

3. Finally, click on Restart.

1B. Restart Router

This is a simple troubleshooting way that will help you We have restored this installation to an older version of League of Legends within simple steps. You can restart your router by following our guide to restart the Router or Modem. Once your router has restarted, check if you are able to fix the discussed error.

1C. Visit Riot Games Service Status

Very often, you may face fix League We Have Restored This Installation due to problems from the server side. To check whether the server is offline or it has some technical problems, follow the below-mentioned steps.

1. Visit the official Riot-server status update page.

2. Then, scroll down and select League of Legends.

3. Then, select your Region and Language to continue.

4. On the next page, you can see any notifications for server end errors. If there are any, you have to wait until they are resolved.

Also Read: Fix League of Legends Black Screen in Windows 10

1D. Update Windows

All the bugs and erroneous patches in your computer can be fixed by Windows updates. Microsoft releases frequent updates to fix all these problems. Hence, make sure whether you are using the updated version of the Windows Operating System and if any updates are pending in action, use our guide How to Download and Install Windows 10 Latest Update

After updating your Windows Operating System, check if you are able to, we have restored this installation to an older version of League of Legends.

1E. Update GPU Drivers

If you want to enjoy any graphical games without any errors, your drivers must be in a perfect state. If the drivers are outdated or faulty, make sure you update them. You can search for the newest releases of drivers from its official websites or you can update them manually. Follow our guide 4 Ways to Update Graphics Drivers in Windows 10 to update your driver and check if you have fixed it, we have restored this installation in LoL.

1F. Roll Back GPU Driver Updates

Sometimes, the current version of your graphics drivers may cause any conflicts in your game and in this case, you have to restore previous versions of installed drivers. This process is called Rollback of drivers and you can easily roll back your computer drivers to their previous state by following our guide How to Rollback Drivers on Windows 10.

Also Read: How to Tell If Your Graphics Card is Dying

1G. Reinstall GPU Drivers

If you cannot fix League, we have Restored this Installation after updating your GPU drivers, then reinstall device drivers to fix any incompatibility issues. There are several ways to reinstall drivers on your computer. Yet, you can easily reinstall Graphical drivers as instructed in our guide How to Uninstall and Reinstall Drivers on Windows 10.

After reinstalling GPU drivers, check if you can access League of Legends without any errors.

1H. Perform Disk Cleanup

If your PC does not have any drive space to install any new patches from the game, you cannot fix League We Have Restored This Installation. Hence, firstly check the drive space and clean the temporary files if necessary.

Step I: Check Drive Space

To check the drive space in your Windows 10 PC, follow the below-mentioned steps.

1. Hit the Windows + E keys together to launch the File Explorer.

2. Now, click This PC in the left screen.

3. Check the disk space under Devices and drives as shown. If they are in red, consider clearing the temporary files.

Step II: Clear Temporary Files

If there is minimum available space in your computer contributing to the discussed problem, follow our guide 10 Ways to Free Up Hard Disk Space On Windows that helps you clear all unnecessary files in your computer.

1I. Change DNS Address

Several users have suggested that switching to Google DNS addresses may help you fix We have restored this installation to an older version of League of Legends issue. If you launch the game properly and face an error prompt, follow our guide to change the DNS address. This will help you fix all DNS (Domain Name System) problems so you can launch the game without any hustles.

After changing your DNS address, check if you can launch LoL without error screen.

1J. Temporarily Disable Antivirus (If Applicable)

One other possible reason that causes the discussed issue is your security suite. When your antivirus programs detect LoL files and folders as a threat, you will face several conflicts. So, read our guide on How to Disable Antivirus Temporarily on Windows 10 and follow the instructions to disable your Antivirus program temporarily on your PC.

After you fix League, we have Restored this Installation on your Windows 10 PC, make sure to re-enable the antivirus program since a system without a security suite is always a threat.

Also Read: Fix Avast Blocking League of Legends (LOL)

1K. Disable Windows Defender Firewall (Not Recommended)

At times, Windows Defender Firewall in your computer may prevent the game from being opened due to some security reasons. In this case, the game may crash due to Windows Defender Firewall. If you don’t know how to disable the Windows Defender Firewall, go through our guide How to Disable Windows 10 Firewall, and follow the instructions that are given. You can follow this guide Allow or Block Apps through the Windows Firewall to allow the app.

Make sure to enable the Firewall suite again after updating your device as a computer without a firewall program is a threat.

1L. Use Virtual Private Network

Still, if you are unable to fix your problem, you can try using Virtual Private Network. It ensures to keep your connection is more private and encrypted. You can change the geographic region with the help of VPN settings so you can fix League We Have Restored This Installation easily. Although there are so many free VPNs available over the internet, you are advised to use a reliable VPN service to enjoy premium versions and features. Have a glance at our guide What is a VPN and how it works? to learn more about Virtual Private Limited. If you are confusing how to set up a VPN on your Windows 10 computer, follow our guide on How to set up a VPN on Windows 10 and implement the same.

Once you have set up a VPN connection, check if you have fixed, we have restored this installation issue.

Method 2: Run League of Legends as Administrator

To avoid We have restored this installation to an older version of League of Legends on your Windows 10 computer, run League of Legends as an administrator as instructed below.

1. Right-click on League of Legends shortcut on the desktop or navigate the installation directory and right-click on it.

2. Now, select Properties.

3. Then, switch to Compatibility tab and check the box Run this program as an administrator.

4. Finally, click on Apply > OK to save the changes.

Also Read: Fix League of Legends Frame Drops

Method 3: Run League of Legends Manually

If your computer takes some additional time to patch up League of Legends, you will face We have restored this installation to an older version of League of Legends. Yet, you can manually patch the game by following the below-mentioned steps.

1. Launch the File Explorer.

2. Now, navigate to the following location path.

C:\Riot Games\League of Legends\RADS\projects\lolpatcher\releases\deploy

3. In the Deploy folder, right-click lolPatcher.xe executable file and click on Run as administrator.

Once you have launched your game manually, check if you face the issue in League of Legends again.

Method 4: Close All Background Processes

If there are too many background processes on your Windows 10 PC, you cannot access your network connection that easily, since all those tasks will take a share of the network. Also, RAM consumption will be more and the performance of the game will slow down apparently. Follow our guide How to End Task in Windows 10 to close all other background processes on your Windows 10 PC.

After closing all the background processes, check if error in League of Legends is fixed or not.

Also Read: How To Fix League Of Legends Client Not Opening Issues

Method 5: Change Date & Time Settings

Incorrect date and time settings in your computer may contribute to fix League We Have Restored This Installation on Windows PC. To sync the date, region, and time settings in your Windows 10 computer follow the below-listed instructions.

1. Press the Windows + I keys together to open Windows Settings.

2. Now, select Time & Language setting.

3. Next, in Date & time tab, ensure the two values Set the time automatically and Set the time zone automatically options are toggled on.

4. Then, click Sync now as highlighted above. Check if the issue is resolved or not.

Method 6: Delete lol_air_client Folder (If Applicable)

Another simple way to fix League We Have Restored This Installation is to delete a specific folder in File Explorer. This removes the corrupt components in your Windows 10 associated with the game. Here are a few steps to delete the folder.

1. Hit the Windows + E keys together to open File Explorer.

2. Now, navigate to the following location and open it.

C:\Riot Games\League of Legends\RADS\projects\lol_air_client 

Note: You may also find the lol_air_client folder in some other location too. Pay a bit extra attention to finding the folder.

3. Now, right-click on lol_air_client folder and click on Delete.

Once you have deleted the folder, restart your computer and check if you have fixed the issue in League of Legends.

Also Read: How to Change League Of Legends Summoner Name

Method 7: Tweak Hosts File

If the host file has edited entries of League of Legends, you will face fix League We Have Restored This Installation issue. Hence, you have to remove the entries to resolve the same. Here are a few instructions to tweak hosts entries.

1. Open the File Explorer.

2. Now, switch to View tab and check Hidden items box in Show/hide section.

3. Now, navigate to the following path in File Explorer.

C:\Windows\System32\drivers\etc

4. Now, select and right-click hosts file and select Open with option as shown.

5. Now, select Notepad option from the list and click on OK as depicted.

6. Now, hosts file will be opened in Notepad as follows.

7. Add this line 67.69.196.42 l3cdn.riotgames.com to the bottom of the file.

8. Now, save the file by hitting the Ctrl+ S keys simultaneously.

9. Exit Notepad and check if you have fixed, we have restored this installation issue.

Method 8: Clear DNS Cache & Data

Few users have suggested that clearing the DNS cache and data on your PC has helped them fix We have restored this installation to an older version of League of Legends. Follow as instructed.

1. Hit Windows key and type cmd, then click on Open to launch the Command Prompt.

2. Now, execute the following commands one by one.

ipconfig/flushdns
ipconfig/registerdns
ipconfig/release
ipconfig/renew
netsh winsock reset

3. Wait for the commands to be executed and restart your PC.

Method 9: Delete DirectX via Registry

Several gamers have confirmed that reinstalling DirectX on your PC helped them to fix We have restored this installation to an older version of League of Legends issue. Here is how to delete DirectX installed file from Registry.

1. Press the Windows + R keys together to launch the Run dialog box.

2. Now, type regedit and hit Enter to open the Registry Editor.

3. Now, navigate to the following key folder location path.

Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\DirectX

4. Now, right-click InstalledVersion file and click Delete option.

5. Then, right-click Version file and then select Delete option.

6. Now, follow our guide Download And Install DirectX on Windows 10 to reinstall DirectX on your Windows 10 PC.

Also Read: Fix League of Legends Sound Issues

Method 10: Reinstall League of Legends

Any misconfigured files in League of Legends will lead to the fix League We Have Restored This Installation even if you have followed all the above-discussed methods and updated all the pending actions. So, in this case, you have no other option than to reinstall the game. The game is tied up with your account and when you reinstall the game, you will not lose your progress. Here is how to reinstall League of Legends.

1. Hit the Windows key and type apps and features. Then, click on Open.

2. Now, search League of Legends in the list and click on it. Then, select the Uninstall option.

3. If you are prompted, again click on Uninstall.

4. Wait for the game to be uninstalled, then click on Done.

5. Hit the Windows key, type %appdata% and click on Open.

6. Double-click on the Riot Games to open the folder.

7. Now, right-click on the Install League of Legends euw folder and delete it.

8. Press the Windows key, type %localappdata% and click on Open.

9. Delete the League of Legends folder as done previously in Step 7 and reboot the PC.

10. Then, go to the League of Legends official website download page and click on the Play For Free option.

11.  Sign up for your account and click on Download for Windows option. Then, click on the Install option.

12. Wait for the game to be installed. Navigate to My downloads in File Explorer and double-click on the setup file to run the application.

13. Follow the on-screen instructions to install the game on your Windows 10 PC.

Note: Many users and online forums have reported that reinstalling the game with the Hextech Repair tool helped fix the error. Visit the official Hextech Repair tool site and download the program. It is free of cost, hence when you install and launch the tool, you will see an option to reinstall the game. Follow the instructions to fix the problem.

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We hope that this guide was helpful and you could fix League we have restored this installation in Windows 10. Let us know which method worked for you the best. Also, if you have any queries/suggestions regarding this article, then feel free to drop them in the comments section.