Are you bothered by League of Legends error code 004? This error might occur when you are updating your League of Legends (LoL). To help you fix this problem, MiniTool provides 7 methods in this post, together with detailed steps và screenshots.

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About League of Legends Error Code 004

League of Legends is a popular multiplayer online battle đoạn phim game developed and published by Riot Game. It is sought after by most game lovers for its miễn phí downloading và excellent gaming experience.

However, some problems with League of Legends have been reported. Recently, some LoL players complain that they have sầu received League of Legends error code 004 while updating it, & League of Legends update failed due khổng lồ this error.

When you get League error code 004, the client will give sầu an error message: Patching failed and we’re not sure why. Please restart the client to try patching again. Some users get rid of error code 004 & League of Legends update failed issue luckily by restarting the game as the message prompts. But others are still stopped by error code 004 League after a restart.


Why does League error code 004 occur? Actually, this error is related to updating or patching the game & it might occur due lớn various reasons. Some common reasons are listed below:

The game doesn’t have administrative privileges.There’s not enough space on your hard drive sầu.The game installation is corrupted.The configuration files of the game are corrupted.The game is blocked by your antivirut software.There are some problems with your Internet connection.

It might be difficult for you to figure out the specific reason when you get error code 004. But fortunately, most of proven solutions are listed below and you can try them one by one until you fix it.

How lớn Fix League of Legends Error Code 004

Focusing on the League of Legends error code 004, we put together 7 effective sầu methods in this post. Hope these methods could be helpful for you to fix the error.

Run Your trò chơi as AdministratorFree Up Space on Your Hard DriveTemporarily Disable Your Antivi khuẩn SoftwareDelete the Config FilesSet Google’s DNSUse Hextech Repair ToolReinstall League of Legends

Fix 1: Run Your Game as Administrator

At first, you should try launching your League of Legends as administrator. Even if you have sầu logged your administrator account, your game might not be given administrative sầu privilege. So, don’t hesitate to try this fix before you employ any technical troubleshooting.

Step 1: Exit your LoL & kết thúc all the related processes in Task Manager.

Step 2: Right-clichồng the game ibé or executable file và select Properties.

Step 3: Switch lớn Compatibility tab và kiểm tra Run this program as an administrator option.

Step 4: Click Apply and OK to lớn save the changes.

Now, relaunch the game and try updating it again lớn see if error code 004 League is resolved.

Fix 2: Free Up Space on Your Hard Drive

If your League of Legends update failed & gives error code 004, you might need to lớn consider whether there are enough không tính phí spaces on your hard drive sầu or not.

If the hard drive sầu where your game is installed is running out of space, the updates or patches cannot be saved or installed properly và thus lead to lớn League error code 004. Particularly, most users would lượt thích to install the game on their system drive, which makes the condition worse.

See also: To quickly figure out what is taking up space on your hard drive, you can kiểm tra this guide: What"s Taking Up Space on Your Hard Drive & How to Free up Space.

To không lấy phí up your drive sầu, you can use Windows built-in Disk Cleanup utility.

Step 1: Right-cliông chồng the drive sầu you want to clean up và select Properties.

Step 2: Go to lớn General tab và cliông xã Disk Cleanup button.

Step 3: In another window, check the files you want khổng lồ delete & clichồng OK.


If you cannot spare enough space for your hard drive by performing Disk Cleanup, you can try uninstalling certain unnecessary programs installed on this drive. What if you don’t want khổng lồ make any changes for the existing data on the drive? Don’t worry. You can choose to lớn enlarge this drive.

To achieve this, you are recommended khổng lồ use MiniTool Partition Wizard, a professional & reliable hard drive sầu manager. It provides a feature of Extend Partition khổng lồ help you enlarge a partition without data loss by taking không tính tiền space from other partitions or unallocated space on the same disk.

Step 1: Cliông xã the button below khổng lồ tải về and install MiniTool Partition Wizard on your computer.

Free Download

Step 2: Launch the application lớn get the main interface.

Step 3: Right-cliông chồng the drive you want lớn enlarge & choose Extend from the context thực đơn. Also, you can choose Extkết thúc Partition feature from the left pane after highlighting the drive sầu.


Step 4: mở cửa the danh sách of Take Free Space from & choose a partition or unallocated space. Drag the slider to lớn decide how much space khổng lồ be taken và then cliông xã OK button.


Step 5: After turning baông xã to the main interface, clichồng Apply button khổng lồ exedễ thương the pending operation.


Do you want khổng lồ get more methods to miễn phí up disk space in your Windows 10? Come và read this post: 10 Ways to lớn Free up Disk Space in Windows 10 <20đôi mươi Update>.

How to free up space on hard drive without deleting files? It can be achieved with the Extover Partition feature of MiniTool Partition Wizard. Awesome!Cliông chồng to lớn tweet

Fix 3: Temporarily Disable Your Antivi khuẩn Software

When your League of Legends starts patching, it will tải về additional software and manipulate the existing installation. During this process, it will merge certain code which might be regarded as a threat or a false positive by your antivi khuẩn. As a result, the patching might fail & the error code 004 might show up.

Therefore, you can try disabling your antivirus software temporarily lớn fix the issue. The built-in tool Windows Defender should also be disabled, và you can follow the steps below.

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Step 1: Right-cliông xã Start button and choose Settings.

Step 2: Navigate to lớn Update và Security > Windows Security > Virus và threat protection.

Step 3: In the new window, clichồng Virus & threat protection settings.

Step 4: When you get the following page, toggle off the button under Real-time protection lớn disable Windows Defender temporarily.


Fix 4: Delete the Config Files

Configuration tệp tin is a type of temporary storage of settings needed by your game while loading up. If these configuration files get corrupted, you might receive sầu League error code 004 as well. In this case, you can try deleting these config files to lớn fix the issue.

Step 1: Locate & open League of Legends game thư mục in File Explorer.

Step 2: Open Config folder & delete the tệp tin named game.cfg.

Step 3: Baông xã to the directory of League of Legends folder và go lớn RADS > projects > league_client > releases.

Step 4: In releases thư mục, delete the thư mục with the lakiểm tra version number of your game.

After that, launch your game as administrator khổng lồ check if the error code 004 is resolved.

Fix 5: Set Google’s DNS

You might also receive LoL error code 004 when there are some problems with your Internet connection. Some players have sầu removed this issue simply by using Google’s DNS. To do that, you need to lớn change your DNS settings and here’s how lớn vày it.

Step 1: Press Windows + I to lớn access Settings.

Step 2: Go ahead khổng lồ Network và Internet > Status > Change adapter options.

Step 3: Right-cliông chồng the network connection you are using currently & choose Properties from the context menu.

Step 4: In Networking tab, choose Internet Protocol Version 4 (TCP/IPv4) & click Properties.


Step 5: Chechồng Use the following DNS server addresses và enter Google Public hệ thống address:

Preferred DNS server: DNS server:


Step 6: Clichồng OK lớn save the changes and exit the settings.

Now, you can restart your computer to lớn see if League of Legends can patch properly now.

Fix 6: Use Hextech Repair Tool

Hextech Repair Tool is a handy tool for League of Legkết thúc players who encounter various bugs or certain technical errors with the game, including re-installation or re-patches và firewall management.

You can download this tool from the official trang web to lớn have sầu a try.

To employ this tool, you need to run it as administrator. Then, choose Force Repatch option in Game section và cliông xã Start button.


Once the progress is complete, restart your computer and kiểm tra if League of Legends error code 004 has been resolved.

Fix 7: Reinstall League of Legends

If all the methods above sầu fail to lớn fix League error code 004, you might need khổng lồ consider reinstalling your game. To bởi that, you should uninstall it completely at first.

Step 1: mở cửa Control Panel.

Step 2: Go ahead lớn Programs > Programs and Features.

Step 3: Choose League of Legends application from the các mục và select Uninstall/Remove. Then, follow the onscreen instructions lớn uninstall it.

Step 4: Now, go to lớn the directory where your League of Legends is installed & delete all the thiết đặt files you used lớn install the game.

Step 5: Restart your computer and tải về the lademo version of the game from the official trang web.

After installing the new executable file of League of Legends, the error code 004 should be removed and your game should be able to lớn patch again.

Here are 7 methods lớn remove League of Legends error code 004. All of them are worth trying and the second fix is an excellent one.Clichồng khổng lồ tweet

Bottom Line

That’s all about the 7 solutions khổng lồ League of Legends error code 004 issue. Hope you have gotten rid of this error with one of these solutions.

Don’t hesitate khổng lồ liên hệ us if you have sầu any problems or suggestions about this post. You can leave sầu a message below, or send an email to .