Fix Steam Error Code 51, Game Launch Failed

Here is a complete guide on how fix error code 51 on Steam. Many Steam users would have encountered error code 51. This error code is triggered when trying to launch a game on Steam. Basically, this prevents a game from launching and thus prevents you from playing the game. If you’re also encountering the same error code on Steam, we’re here to help. In this article, we will show you some working solutions that will help you resolve the error. Let’s check it out!

What causes error code 51 on Steam?

Before we discuss the actual fixes, let’s try to understand what can potentially cause this error code on Steam. Here are some possible reasons for error code 51 on Steam:

  • This error can be the result of corrupted or missing game files, preventing the game from launching. If this is the case, you can try verifying the integrity of the game files.
  • Third party app conflicts can be another reason for this error. This especially applies to your antivirus as it can block Steam related processes and cause error 51.
  • Missing Microsoft Visual C++ Redistributable can also be a reason for this error. If the scenario is applicable, you can try to install Microsoft Visual C++ Redistributable manually.
  • Corrupt Steam client configuration files can also cause this error. In this case, you can try to update the game files.

Now let’s get straight to the solutions!

Fix Steam Error Code 51, Game Launch Failed

Here are the methods to fix Steam error code 51, game launch failed:

  1. Check the integrity of the game files.
  2. Disable antivirus.
  3. Uninstall conflicting third-party apps.
  4. Install DirectX and Microsoft Visual C++ Redistributable manually.
  5. Update graphics drivers.
  6. Change game settings.
  7. Update Steam files.

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Let’s work out the above solutions now!

1]Check the integrity of the game files

If you encounter this error with specific games, it is likely that you are dealing with bad and corrupted game files. Steam provides a dedicated feature to check and repair your game files. Check, compare and replace missing or damaged game files with the latest game files from Steam servers. So if the reason why you’re getting error code 51 when trying to start a game, you should be able to fix it by verifying the integrity of the game files.

To verify the integrity of game files on Steam, follow the steps below:

  1. First, start the Steam client as administrator, then click the LIBRARY tab in the top menu bar.
  2. Next, right click on the problematic game and then select the Properties option.
  3. now go to local files tab and press the button Verify the integrity of the game files option.
  4. After that, Steam will start verifying the game files and will try to replace any missing or faulty game files. The process will take some time, so be patient.
  5. Next, close all Steam-related tasks from Task Manager and restart the Steam client as administrator.

Try running the game that was throwing the error 51 and see if it is fixed now.

Read: Fix Steam App Settings Missing or Unavailable Error

2]Disable antivirus

It is a known fact that antivirus programs interfere and block Steam-related processes on suspicion that they are malicious. So, try disabling your antivirus then see if the error is fixed. If the problem is fixed, your antivirus is the main culprit. While permanently disabling your antivirus protection is not recommended, we suggest adding Steam to your antivirus exceptions list so that it doesn’t block Steam-related processes.

3]Uninstall conflicting third-party apps

The error may be caused by problematic third-party apps installed on your PC that may be in conflict with Steam. So try to identify the problematic apps; See if you started getting this error after installing an app recently and uninstall it to fix the problem.

Watch: Steam games won’t start; Stuck on preparing to boot into Windows

4]Install DirectX and Microsoft Visual C++ Redistributable manually

Some games on Steam require DirectX and the Microsoft Visual C++ Redistributable to launch. Steam usually downloads and installs the package automatically while installing the game, however, it may be interrupted or stopped due to different reasons that cause the installation of this module to fail. If this is the reason for error 51 on Steam, you can try to manually install DirectX and Microsoft Visual C++ Redistributable to fix the error.

Here are the steps to manually install DirectX and Microsoft Visual C++ Redistributable:

First, open File Explorer and then navigate to the following address:


In the above address, replace with the name of the problem game.

Here, run the executables and let the installation complete. After the installation is complete, go to the following location:


Again, instead of , enter the name of the problem game. Now right click on the DirectX setup file and run it as administrator.

Once the installation process is complete, restart your PC and then see if you can launch the game on Steam without error code 51.

Watch: An error occurred while installing or updating the Steam game

5]Update graphics drivers

Graphics drivers are important to run a game on your PC. If you are using outdated or faulty graphics drivers, you may encounter this error code when launching a game on Steam. So if you haven’t updated your graphics drivers for a while, consider updating your graphics drivers and then see if the error is fixed.

You can manually update graphics drivers in Windows 11 through optional Windows updates. Apart from this, you can also visit the official website of your device manufacturer and get the latest graphics drivers from there. On top of that, you can even update all your graphics drivers automatically using a third-party driver updater.

Once your graphics drivers are up to date, restart your PC to see the changes. You can then try running the game on Steam and hopefully you won’t get the error code 51 again.

Watch: How to fix Steam error code 83 on Windows PC

6]Change game settings

Steam engine settings are stored on your PC, which is required by the game engine. If these settings are corrupted or configured incorrectly, you may experience error code 51. If the scenario applies, you can try dumping the settings and then auto-configuring the game to resolve the error. Here are the steps to modify the game settings for Steam:

  1. First, completely close the Steam client from the task manager.
  2. Now open the Run dialog box by pressing Windows + R keyboard shortcut.
  3. Then enter the following command:
  4. When prompted to «Allow this website to open a program,» click Allow.
  5. After that, restart your PC and then launch the Steam client.
  6. On the top toolbar, navigate to Under the LIBRARY tab, right-click on the problem game and hit the Properties option.
  7. Next, go to the General tab and select “Set startup options”.
  8. Finally enter -autoconfig and press OK.

See if this method fixes the problem for you. Otherwise, continue with the next possible solution to resolve the error.

7]Update Steam Files

If none of the above solutions work for you, you should consider updating your Steam files. Updating Steam files will remove the Steam client setup files and then reinstall them. To do this, here are the steps you need to follow:

  1. First, kill all Steam related tasks and processes by opening the task manager.
  2. Next, you need to navigate to the Steam installation directory on your PC in File Explorer.
  3. Now, except for the steamapps folder and the Steam.exe application file, you need to select all the other files.
  4. After that, delete all the selected files using the Delete button.
  5. Finally, reboot your system and launch the Steam client with administrator privileges. Hope you don’t encounter error code 51 when launching a game now.

Watch: How to fix Steam error E502 L3 on Windows PC

How to fix error 53 on Steam?

Error code 53 is basically triggered when the Steam servers are unable to process your request. If you get this error code, you can fix it by restarting your game, rebooting your device, and checking your internet connection. If all these general fixes don’t help, make sure the Steam servers aren’t down, disable your antivirus, or change the download region. There are other solutions to fix error 53 on Steam that you can check out.

Read: Fixed Steam error when initializing or updating transaction.

How to fix error 130 on Steam?

Many users get error code 130 on Steam when trying to load any web pages in the Steam client, such as updates, inventory pages, and other pages. You can now fix this error by making sure you are connected to a stable internet connection. If you are connected to a good network and still get the error code, please disable your antivirus, restart the Steam client, clear the DNS cache, or reinstall Steam. You can check out the complete guide to fix error code 130 on Steam.

That is!

Now read: Fix Steam is having trouble connecting to Steam servers.

How To Fix Steam Error 51 Game Launch Error

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