Tuesday, November 10, 2015

[UPDATE] PC Software: Steam: DISK WRITE ERROR on Windows 10

Are you getting a disk write error on some Steam games on install or unlock on Windows 10? There is a simple fix for this if other games install without issue.

NOTE: This may or may not apply to earlier Windows versions (Vista, 7, 8, 8.1). I've only seen this on Windows 10.
  1. Close Steam entirely (make sure it is not running).
  2. Open File Explorer and go to the steamapps common directory. The default location is:
    c:\Program Files(x86)\Steam\steamapps\common
  3. Look for files that are 0 KB in size and delete them:

    File listing screen shot
    0 KB file listing in steamapps common folder

  4. Restart steam and try installing or running the game again.
So far this has fixed the issue on my PC.


Found two more potential issues.
  1. Corrupt files in the downloading directory

    1. Shut down steam.
    2. Go to your steam installation directory then steamapps in file explorer.
    3. Look for a directory named downloading.
    4. Delete it.
    5. Start steam and retry.

  2. Read only permissions

    1. Shut own steam.
    2. Used file explorer to go the the steam installation directory.
    3. Right click and select Properties.
    4. Uncheck the Read-only option.
    5. Click Apply and allow it to change permissions on all sub-folders and files.

I ran into both new issues after installing the November 2015 Windows 10 update (version 1511). Several games were stuck updating with disk write errors in steam. After fixing permissions and deleting the downloading directory, updates started working again.

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