Steam disk write error is an error that appears when you try to download or update a game such as Dota 2, PlayerUnknown’s BattleUns, Grand Theft Auto V, Rocket League, or any other game you purchased from the Steam platform.

This error display whenever Steam is unable to download and save game data to your computer’s disk during an update or fresh install. To fix the error, you need to determine the reason Steam is unable to save data to disk and then fix the problem.

 How Does a Steam Disk Write Error Appear?

When you encounter an error writing to Steam disk, it usually manifests itself in the form of a pop-up error message. Typically, this message appears when trying to install or download a new game, or when trying to update a previously installed game. It can also appear when you try to start a game that needs to be updated.

                     Causes of Steam Write Error

steam disk write error
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  The Steam disk write error occurs whenever Steam tries to install or update a game and it is unable to save the data to the Steam folder. This can happen when your Steam drive or folder is write-protected, when your hard drive has physical defects, or even when your antivirus or firewall blocks Steam from loading and storing data.

11 Ways to Fix Steam Disk write Error

If you’re facing an error writing to Steam disk, try the following fixes:

  1. Restart Steam And Your Computer 

In many cases, this problem is temporary. The easiest way to troubleshoot temporary problems is to restart Steam and try to download or play the game again. If that doesn’t work, reboot your computer device.

If you still see the error writing to Steam disk after restarting Steam and your computer, proceed to the next troubleshooting step.

  1. Remove Write Protection 

Write protection prevents your computer from modifying or adding files to folders or entire drives. When this happens to your Steam directory or disk, it will cause a Steam disk write error.

To resolve this problem, please check which drive your Steam games are stored on, and then remove the write protection of that drive.

  1. Disable The Read-Only Setting For Your Steam Directory .

Read-only is a setting that can be applied to a folder or a single file. If your Steam directory is set to read-only, it may cause Steam disk write errors. To resolve this issue, find the Steam folder and disable the read-only option.

  1. Run Steam As Administrator 

Running a program like Steam as an administrator will give it extra permissions, which can solve many strange problems. If you’ve removed the write protection or disabled the Read Only option and you still get the error writing to the Steam disk, launching Steam as an administrator may fix your problem.

  1. Delete Corrupted Files 

When something goes wrong as Steam starts loading the game, it can create a corrupted file that subsequently causes a Steam disc write error. You can find this file in your comman directory/steamapps .

To resolve this issue, go to your Steam home directory, navigate to the steamapps / common directory and find the file with the same name as the game you are trying to download. If this file is 0KB in size, delete it and try downloading or launching the game again.

  1. Check The Integrity Of Your Game Files 

If your steamapps  / common directory does not have 0KB files, you may be dealing with corrupted game files. The easiest way to solve this problem is to use the Steam Integrity Checker.

To resolve this issue, open your Steam library and find the game you are trying to update or playing. Right-click the game and select “Properties”> “Local Files”> “Check the Integrity of Game Files”. If Steam detects damaged files, it will automatically download new versions of these files.

  1. Clear/Remove The Download Cache On Steam 

If your Steam download cache is corrupted, it may cause disk write errors. To resolve this issue, please open Steam. Then go to Steam Settings> Downloads to clear the download cache.

  1. Move Your Steam Game To An Another Drive 

In some cases, your disk may have a physical issue that prevents Steam from writing data to it. The easiest way to fix this if you have multiple drives or partitions is to move your Steam installation folder to another drive.

  1. Error Checking Your Disk 

If moving your Steam installation folder resolved your issue, we recommend that you check the drive for errors. It is also useful to perform this check if you have multiple partitions on the same physical disk and moving the Steam folder did not solve your problem.

In some cases, this process will be able to identify faulty sectors and tell Windows to ignore them in the future. If the problem persists or gets worse, you may need to change the hard drive.

  1. Disable Your Antivirus Software Or Add Exclusions 

In some rare cases, your antivirus program may incorrectly identify Steam as a threat and may prevent your game data from being loaded and saved. If nothing else fixed your Steam disc writing error, you can check if this is the problem by temporarily disabling your antivirus.

If the error writing to the Steam disk disappears after disabling the antivirus software, you have several options. When you need to download or update the game, switch to a different antivirus software, or add a Steam exception to the antivirus program, you can turn off the antivirus software.

  1. Disable Firewall or Add Exceptions 

This is similar to an antivirus problem, except that your firewall blocks Steam. This is the same issue, so you can see if this is the problem by temporarily disabling your firewall.

If this solve your problem, you need to add a Steam exception to the firewall or try a different firewall.

Also Read: How To Change AirPod name On Any Device ?

Other Causes Of Steam Disk Write Errors

If you’re still having issues with Steam disk writing error after all these fixes, you may be facing a new issue. In this case, your best bet is to contact Steam for troubleshooting help, or post a bug on the Steam Community Forum for an answer.

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