Steam Error Code 51: How to Fix

Steam Error Code 51: How to Fix

For gamers who use Steam, it can be frustrating when an error occurs, preventing them from playing their favorite games. One such error is the Steam Error Code 51. This error is a common problem among Steam users and can occur due to various reasons. In this article, we will provide a complete guide to troubleshooting Steam Error Code 51, including its causes, solutions, and preventive measures.

Causes of Steam Error Code 51

Steam Error Code 51 can occur due to several reasons, including outdated drivers, corrupted game files, and antivirus software conflicts. Another common cause is the existence of old, outdated software on your computer. These outdated programs can interfere with Steam’s functionality, leading to the Error Code 51.

CausesSolutionsPreventive Measures
Outdated driversUpdate driversKeep drivers updated
Corrupted game filesVerify game filesClear Steam cache
Antivirus software conflictsDisable antivirus temporarilyRun virus scans regularly
Outdated softwareUninstall old softwareUpdate operating system regularly

Solutions to Steam Error Code 51

Fortunately, there are several solutions to Steam Error Code 51, and we have listed them below.

Solution 1: Verify Game Files

One of the primary causes of Steam Error Code 51 is corrupted game files. To fix this, you can verify the integrity of the game files through Steam. To do this, follow the steps below:

  1. Open Steam and navigate to your Library.
  2. Right-click on the game giving you the Error Code 51 and select Properties.
  3. Click on the Local Files tab and select Verify Integrity of Game Files.
  4. Wait for the process to complete, then try running the game again.

Solution 2: Update Drivers

Another cause of Steam Error Code 51 is outdated drivers. To update your drivers, follow these steps:

  1. Press the Windows Key + R and type “devmgmt.msc” in the Run dialog box.
  2. Locate the drivers that need updating, right-click on them, and select Update Driver.
  3. Follow the on-screen prompts to complete the driver update process.

Solution 3: Disable Antivirus Software

In some cases, antivirus software can conflict with Steam and cause Error Code 51. To fix this, try disabling your antivirus temporarily and see if the error persists. If the error disappears, add Steam to your antivirus software’s exceptions list.

Solution 4: Uninstall Old Software

As mentioned earlier, outdated software can interfere with Steam’s functionality. To prevent this, it is best to uninstall old software that is no longer needed. Follow these steps:

  1. Press the Windows Key + R and type “appwiz.cpl” in the Run dialog box.
  2. Locate the outdated software, right-click on it, and select Uninstall.
  3. Follow the on-screen prompts to complete the uninstallation process.

Preventive Measures

To prevent Steam Error Code 51 from occurring again, it is essential to take preventive measures. These include:

  1. Keeping your drivers updated regularly.
  2. Running regular virus scans on your computer.
  3. Updating your operating system regularly.
  4. Clearing your Steam cache regularly.


In conclusion, Steam Error Code 51 can be a frustrating problem for gamers who use Steam. However, with the solutions and preventive measures listed above, you can easily troubleshoot the error and prevent it from occurring in the future. Remember to keep your drivers updated, run virus scans regularly, and clear your Steam cache to prevent future occurrences of Error Code 51.

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