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How to Fix the Steam Disk Write Error – 7 Expert Solutions

PC gaming experience is flawless until you’re hit with Steam Disk Write Errors when downloading or upgrading a game.

With over 100 million active Steam users, many of which are attempting to utilize the service, problems and mistakes are unavoidable on the world’s largest gaming platform. If you have problems installing or upgrading a game on Steam, you may see a “disk write error” notice.

Understanding Steam Disk Write Error

When you’re downloading or upgrading a game you purchased on the Steam platform, the Steam disk write error may appear. These alerts often occur when you try to download or install a new game or update one that has already been installed. It might also happen if you try to start a game that requires an update.

Another common occurrence of this error is when Steam is unable to download and store game data to the storage drive on your computer during an update or new installation, the Steam disk write issue manifests itself.

Fix Steam Disk Write Error

One of the following error messages appears alongside it: Disk write errors may occur when:

• The Steam folder or drive is write-protected.

• The hard drive has imperfections.

• Steam cannot download or save data because of your firewall or antivirus software.

• The Steam directory contains files that are damaged or out-of-date.

When a game cannot be downloaded or installed on the disk or drive, a Steam Disk Write error occurs.

When users attempt to install or update a game through the Steam client, they receive the following error messages:

An issue has occurred while installing [game title].

While upgrading [game title], an issue happened.

Error Screenshot - DIsk Write Error

Why Do Steam Disk Write Errors Occur?

This problem appears when Steam cannot write to the disk and cannot finish the installation or upgrading procedure. This could be for a variety of reasons, depending on the issue your PC was having. Underlying Antivirus Interference – A few recorded user reports suggest that active antivirus software may prevent a game from downloading over Steam. Most often, it is stated that this happens when using Windows 10’s integrated antivirus software.

You must whitelist both the main Steam executable and the main Game executable in order to fix this problem. Failing Disk Drive / Disk Issues –

If you’re facing similar issues with other Steam titles, you can expect this warning to occur because the disk on your computer could be failing due to sector problems.

Corrupted game installation files – This error code appears as a result of file corruption that affects the game’s Steam installation.

Steam Games

In the event that this situation applies, you can fix the problem by starting an integrity check on Steam. We can now look at changes that will enable us to eliminate the Steam Disk Write Error across all versions of Windows, notably Windows 10.

The most typical remedy is to erase Steam and download all of the stuff (including games) from scratch. In case you changed a setting that shouldn’t have been changed, make sure to create a system restore point. Given everything, this is how you resolve the Steam disk problem.

How to Fix It The Steam Disk Write Error Problem

Try these remedies if you encounter the Steam disk write error:

1. Relaunch Steam

Close the Steam client, reopen it, and then download or play the game again are the simplest ways to rule out a transient problem Launch the computer again.

If restarting/relaunching the Steam PC app doesn’t solve the disk write error, you may also try restarting the computer. This enabled any ongoing processes by Steam that might crash while downloading or uploading games.

Why Restarting Something Usually Fixes the Issue Remove the drive’s write protection.

A disk or folder’s write protection stops a computer from changing or adding files. Verify which drive your Steam games are stored on if you think this is the issue, and then remove the drive’s write protection. Remove the Steam folder’s restriction. The entire directory is write-protected if the Steam directory is set to check the Steam folder’s properties to make sure the read-only option is not selected.

2. Run Steam with administrative rights

Running software as the administrator grants it more permissions and can resolve a number of strange issues.

3. Remove damaged files

Steam may produce a corrupted file when downloading a game if something goes wrong, which results in the Steam disk write error.

Open the steam apps /common directory in the main Steam folder to resolve this issue. If you find a file with the same name as the game you’re trying to play that is 0 KB in erase it, then try downloading or starting the game again.

4. Check the game files’ integrity

Go to > Steam library, right-click the game you’re trying to download/update, and select Properties > The Local Files menu, then choose  > Verify Integrity of Game Files.

Any damaged files are immediately replaced by Steam.

5. Delete Steam’s download cache

The Steam download cache may get corrupted, which could lead to disk write issues.

To fix this problem, launch Steam and select Steam > Settings > Downloads > Clear Download Cache. Move Steam to a different drive. It is possible that the current installation drive may occasionally get errors that might halt steam from writing to the drive.

6. Move/Change Steam Installation Folder

You should move the Steam installation folder to a separate drive if your computer has many drives or partitions. Verify the drive for issues. Doing so can identify the sectors on a hard drive that are corrupted and Windows can disregard writing to such bad sectors while processing Steam download/upgrade.

You may also want to read: Transfer Steam Games to Different Folder

7. The Last Resort

If the problem persists or gets worse, you might need to replace the hard drive.

Activate the antivirus program’s exclusions or disable it. Rarely, does antivirus software could label Steam as a threat and stop it from downloading and saving game data. Add an exemption for Steam to the antivirus scans if the disk write issue on Steam disappears when the antivirus is turned off. Block access or make exceptions to the firewall. Add an exemption to the Windows firewall if deactivating it solves the issue.


On Steam, downloading or updating games is often a worry-free process. However, when a “disk write error” occurs, everything seems to go wrong. Although frustrating and perhaps difficult to resolve, the problem is usually always resolvable. Hopefully, this post has provided you with all the solutions you need to fix the disk write error problem.

Do let us know your experience solving this issue or any more problems in the comments section.