DotA 2 Disk Write Error: 6 Ways to Fix Corrupted Files

Issues with third-party antiviruses is one of the main causes of this error

by Madalina Dinita
Madalina Dinita
Madalina Dinita
Windows & Software Expert
Madalina has been a Windows fan ever since she got her hands on her first Windows XP computer. She is interested in all things technology, especially emerging technologies... read more
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Reviewed by Alex Serban
Alex Serban
Alex Serban
Windows Server & Networking Expert
After moving away from the corporate work-style, Alex has found rewards in a lifestyle of constant analysis, team coordination and pestering his colleagues. Holding an MCSA Windows Server... read more
Affiliate Disclosure
  • Have you ever encountered a disk write error in Dota 2? It might be because of corrupt files.
  • You can quickly fix it by checking your hard drive for errors.
  • You can also solve the problem by verifying the integrity of the game cache.
dota 2 disk write error
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DotA 2 is one of the most popular online multiplayer games, reuniting millions of players daily. Playing DotA 2 is fun, challenging, and addictive, but it is not without errors, with some users complaining of a disk write error.

If you’re experiencing this error, you’re in the right place. This article will list a few quick workarounds to fix this error.

Why am I getting DotA 2 disk write error?

A series of issues can cause the DotA 2 disk write error. Below are some of the prominent causes:

  • Bad disk sectors: The prominent cause of the DotA 2 disk read or write error is faulty disk sectors. You can fix this by running the CHKDSK command or using a dedicated bad sector repair tool.
  • Interference from antivirus: Your antivirus software can sometimes flag your game, leading to different error messages. The solution to this is to disable or uninstall the security software.
  • Outdated driver: Sometimes, the DotA 2 (corrupt disk) error can be down to outdated or faulty drivers. Updating your drivers should get rid of the error quickly.

How do I fix disk write errors for DotA 2 on Windows 10?

In this article

1. Check your hard drive for errors

  1. Press the Windows key, type cmd, and select Run as administrator under Command Prompt.
    cmd admin DotA 2 disk write error
  2. Type the command below and hit Enter: chkdsk c: /rchkdsk
  3. Now, press Y when prompted and restart your PC.
  4. Finally, when your PC restarts, wait for the scan to complete. You can also run the command below to repair system files: sfc/scannowsfc scan

Sometimes, system file errors can lead to the DotA 2 disk write error.

However, if the problem persists and you’re sure that disk issues are to blame, you could consider using a more robust solution: a third-party tool like Fortect.

Besides being a generic Registry and DLL fix, Fortect can easily handle disk errors. Windows 10 cannot take it without a full CHKDSK or an SFC scan.

⇒ Get Fortect

2. Disable your antivirus

Some users reported also experiencing this particular DotA 2 error due to interference from their third-party antivirus. This is especially true for the IObit antivirus, as many users could fix the issue by disabling it.

You must remove the software if disabling the antivirus does not work. Then, you can switch on Microsoft Defender or consider switching to an antivirus tool with better flexibility.

3. Verify the integrity of the game cache

  1. Launch the Steam client.
  2. Click the Library option at the top.
    library DotA 2 disk write error
  3. Right-click on DotA 2 and select Properties.
    properties
  4. Now, click Local Files.
  5. Finally, select Verify integrity of game cache… and wait for the process to complete.
    local files

Another way to repair corrupted files is through Steam’s integrity checker.

4. Update your drivers

  1. Press the Windows key + X and select the Device Manager option.
    device manager DotA 2 disk write error
  2. Double-click the sector you want to update drivers for and right-click the device there.
  3. Now, select the Update driver option.
    update driver
  4. Finally, choose Search automatically for drivers and install any available updates.
    search auto DotA 2 disk write error

Outdated drivers have also been commonly associated with the DotA 2 disk write errors, especially if the ones powering your HDD are incredibly old or possibly never updated.

Unlike other hardware components, where it is easy to visit the manufacturer’s website and get the driver, these are a bit trickier. Therefore, it is best to leave them in the hands of dedicated third-party software.

That is why we recommend you try our Outbyte Driver Updater, an almost entirely automated tool created to find missing drivers, repair broken ones, and update the older ones, all within a few minutes.

Simply launch it, let it scan your PC for problematic drivers, allow it to download and install them, and you’re all set.

5. Reset winsock

  1. Press the Windows key + S, type cmd, and select Run as administrator under Command Prompt.
    cmd admin DotA 2 disk write error
  2. Type the following commands and press Enter after each: netshnetsh winsock resetwinstock reset
  3. Finally, wait for the command to finish running and restart your PC.

In some cases, the DotA 2 disk write error can be caused by issues with your network. So, you should reset the needed components and restart your PC.

6. Delete downloaded files

  1. Press the Windows key + E to open File Explorer.
  2. Go to the drive where you have your game and navigate to the path below: Steam/steamapps/downloadingdelete
  3. Finally, delete all the files in the location and restart DotA 2 update.

Sometimes, the DotA 2 disk write error can be due to corrupt or incomplete downloads. Delete the downloaded files and restart the update process to get past the error.

There you go; we hope these solutions helped you fix the DotA 2 update disk write errors on Windows 10, and you can enjoy the game.

If you face an FPS drop on DotA 2, check our detailed guide to fix and restore normalcy.

Let us know the solution that helped you fix this issue in the comments below.

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