Restorehealth Error 800F0915

FreeBooter · Sep 4, 2026

1. In Windows 8, 8.1, 10 and Windows 11 simply hold down the

+ X keys and select the option “Command Prompt (Admin)” from the menu.

2. Execute following command to create a folder, this folder will be use to mount Install.wim or Install.esd image file.

Code:

Md C:\MountWim

3. Execute following command to mount Install.wim image file stored at L:\sources folder path.

Code:

Dism  /Mount-Wim  /WimFile:"L:\sources\install.wim"  /index:1  /MountDir:C:\MountWim

You can also use following variant of the previous command to accomplish the same task:

Code:

Dism  /Mount-Wim  /WimFile:"L:\sources\install.esd"  /index:1  /MountDir:C:\MountWim

4. Execute following command to restore Windows Component Store corrupted or missing files.

Code:

Dism  /Online  /Cleanup-Image  /RestoreHealth     /Source:"C:\MountWim\Windows"   /LimitAccess

5. After above command finish executing, dismount the Install.wim or Install.esd image file.

Code:

Dism  /Unmount-Wim   /MountDir:C:\MountWim   /discard

6. After above command finished, execute Sfc /scannow command to repair corrupted or missing Windows system files.

PerpetualCycle · Sep 4, 2026

FreeBooter said:
1. In Windows 8, 8.1, 10 and Windows 11 simply hold down the

+ X keys and select the option “Command Prompt (Admin)” from the menu.

2. Execute following command to create a folder, this folder will be use to mount Install.wim or Install.esd image file.

Code:

Md C:\MountWim

3. Execute following command to mount Install.wim image file stored at L:\sources folder path.

Code:

Dism /Mount-Wim /WimFile:"L:\sources\install.wim" /index:1 /MountDir:C:\MountWim

You can also use following variant of the previous command to accomplish the same task:

Code:

Dism /Mount-Wim /WimFile:"L:\sources\install.esd" /index:1 /MountDir:C:\MountWim

4. Execute following command to restore Windows Component Store corrupted or missing files.

Code:

Dism /Online /Cleanup-Image /RestoreHealth /Source:"C:\MountWim\Windows" /LimitAccess

5. After above command finish executing, dismount the Install.wim or Install.esd image file.

Code:

Dism /Unmount-Wim /MountDir:C:\MountWim /discard

6. After above command finished, execute Sfc /scannow command to repair corrupted or missing Windows system files.

Doesn't resolve the issue my friend.

thecaretaker · Sep 4, 2026

PerpetualCycle said:
Doesn't resolve the issue my friend.

Agreed. It's an issue that users are unable to fix themselves, no matter what method we try.

My system is working flawlessly, so I'm just going to ignore it from now on. Just like my wife and lets be honest, most users do who have never entered command prompt (or even know what it is) after a Windows Update.

pietcorus2 · Sep 4, 2026

Another very good reason to BACKUP FIRST before updating...........!!

Sir_George · Sep 4, 2026

glasskuter said:
What issue are you experiencing that you need to run dism in the first place?

Mouse settings changed which prompted my initial checking for any other issues. So, I went with both the SFC and DISM tools to see if that would set things right. Now, here I am. Any suggestions.

Sir_George · Sep 4, 2026

FrancoDT said:
And I'll add that for many with this now widespread issue on multiple Windows builds the ISO repairs will no longer fix this bug.

So, I have found out. I try to keep my computer in the best condition I can and when things like this happen I become concerned about what other problems might be hidden until I become unpleasantly surprised sometime in the future with another "Oh great, now what caused this to happen?"

Sir_George · Sep 4, 2026

Banjoman301 said:
I have not heard of any issues created as a result of /RestoreHealth failing.

If your system is running well, I would not be concerned.

However, if you do experience additional issues, your next step should be to do an in-place upgrade (repair install), which re-installs Windows without losing your apps, settings, and personal data.

I have already done an in-place repair and the issue persists. The ChatGPT efforts have been pretty extensive...but with no success.

Sir_George · Sep 4, 2026

FreeBooter said:
1. In Windows 8, 8.1, 10 and Windows 11 simply hold down the

+ X keys and select the option “Command Prompt (Admin)” from the menu.

2. Execute following command to create a folder, this folder will be use to mount Install.wim or Install.esd image file.

Code:

Md C:\MountWim

3. Execute following command to mount Install.wim image file stored at L:\sources folder path.

Code:

Dism /Mount-Wim /WimFile:"L:\sources\install.wim" /index:1 /MountDir:C:\MountWim

You can also use following variant of the previous command to accomplish the same task:

Code:

Dism /Mount-Wim /WimFile:"L:\sources\install.esd" /index:1 /MountDir:C:\MountWim

4. Execute following command to restore Windows Component Store corrupted or missing files.

Code:

Dism /Online /Cleanup-Image /RestoreHealth /Source:"C:\MountWim\Windows" /LimitAccess

5. After above command finish executing, dismount the Install.wim or Install.esd image file.

Code:

Dism /Unmount-Wim /MountDir:C:\MountWim /discard

6. After above command finished, execute Sfc /scannow command to repair corrupted or missing Windows system files.

Thank you for your post. Actually, the ChatGPT had suggested all of what you provided. I truly appreciate you taking the time to provide the detailed steps, which I would never have done without having the AI help. At this point, I think I will go with the hope that MS will come up with a solution...especially, since it appears to be crated by them.

FreeBooter · Sep 4, 2026

DISM error 0x800f0915 means Windows cannot find or access the required repair files to complete a component store cleanup or health restoration.

Some users have reported resolving error 0x800f0915 by cleaning up the Windows Component Store.

Open Command Prompt as Administrator and run the following command:

Code:

DISM.exe /Online /Cleanup-Image /StartComponentCleanup

Try resetting network settings and try Dism command again.

Open Windows 11 Settings
Click open Network and internet settings
On the right, scroll down till you see Advanced network settings and then click on it
Again scroll down on the next screen till you see More settings
Here click on Network reset
On the next screen, click on the Reset now button and wait for the process to complete.
Restart your computer.

Also did you run DISM.exe /Online /Cleanup-Image /ScanHealth

Sir_George · Sep 4, 2026

FreeBooter said:
DISM error 0x800f0915 means Windows cannot find or access the required repair files to complete a component store cleanup or health restoration.

Some users have reported resolving error 0x800f0915 by cleaning up the Windows Component Store.

Open Command Prompt as Administrator and run the following command:

Code:

DISM.exe /Online /Cleanup-Image /StartComponentCleanup[/ ] CODE Try resetting network settings and try Dism command again. Open Windows 11 Settings Click open Network and internet settings On the right, scroll down till you see Advanced network settings and then click on it Again scroll down on the next screen till you see More settings Here click on Network reset On the next screen, click on the Reset now button and wait for the process to complete. Restart your computer. Also did you run DISM.exe /Online /Cleanup-Image /ScanHealth [/QUOTE] Thank you. This is something that I haven't tried. I will get back to you with the outcome as soon as I have chance to try it.

FreeBooter said:
DISM error 0x800f0915 means Windows cannot find or access the required repair files to complete a component store cleanup or health restoration.

Some users have reported resolving error 0x800f0915 by cleaning up the Windows Component Store.

Open Command Prompt as Administrator and run the following command:

Code:

DISM.exe /Online /Cleanup-Image /StartComponentCleanup

Try resetting network settings and try Dism command again.

Open Windows 11 Settings
Click open Network and internet settings
On the right, scroll down till you see Advanced network settings and then click on it
Again scroll down on the next screen till you see More settings
Here click on Network reset
On the next screen, click on the Reset now button and wait for the process to complete.
Restart your computer.

Also did you run DISM.exe /Online /Cleanup-Image /ScanHealth

I tried the "StartComponentCleanup" with the same error message. I have not tried changing anything regarding the network. My experience with making changes in the network have always resulted in creating more problems than solving them. So, at this point, I will leave that alone. Thanks again for your help.

KevTech · Sep 4, 2026

FreeBooter said:
select the option “Command Prompt (Admin)” from the menu

Pretty sure Win 11 says Terminal.

pseymour · Sep 4, 2026

KevTech said:
Pretty sure Win 11 says Terminal.

You have to give the AI a chance to update its corpus. :wink:

gunrunnerjohn · Sep 4, 2026

FrancoDT said:
I couldn't get anything to fix it including a full UUP dump ISO install. I decided to try the Recovery Repair install today more to see which build it tried to download and install due to the wrong build downloading previously. Since it looked like the right repair download this time I let it install and reboot. I ran the DISM/Restorehealth and was shocked when it completed without error this time. Sadly Scanhealth just said the component store is repairable again so I guess it's still got bugs.

That's the same thing I've seen on one of my tests, but running RestoreHealth again then showed up the error after I saw ScanHealth again said the component store was "repairable". I've finally given up on tilting at this windmill.

pietcorus2 · Sep 4, 2026

Yes , had to "restorehealth " twice , then after reboot no errors/corruption found..............
So , Im done untill next update 8 Sept...........

gunrunnerjohn · Sep 4, 2026

kelper said:
This is known bug. If you run DISM /Online /Cleanup-Image /CheckHealth and it reports "No component store corruption detected." then don't worry. Using an ISO as source will give the same error.

Maybe, but what if it doesn't run clean?

Sir_George · Sep 4, 2026

gunrunnerjohn said:
Maybe, but what if it doesn't run clean?

View attachment 181698

Sir_George · Sep 4, 2026

Same result and same question.

KevTech · Sep 4, 2026

gunrunnerjohn said:
Maybe, but what if it doesn't run clean?

Checkhealth just looks for previously flagged issues in the registry but does not check any files.

Scanhealth actually checks the component store files and then is supposed to clear the checkhealth flags in the registry.

So if you want to actually check the component store files you run scanhealth.

gunrunnerjohn · Sep 4, 2026

KevTech said:
Checkhealth just looks for previously flagged issues in the registry but does not check any files.

Scanhealth actually checks the component store files and then is supposed to clear the checkhealth flags in the registry.

So if you want to actually check the component store files you run scanhealth.

DUH! I know that, I'm just responding to someone else's comment. You should direct your comment to the poster that suggested that as a solution.

If you have read the previous posts in this thread, you would know that I've run ScanHealth many times during the analysis of this issue. ScanHealth always returns "The component store is repairable", so obviously CheckHealth is going to indicate the component store is not OK.

kelper · Sep 4, 2026

Yeah, nobody reads these threads from the beginning. I feel your pain.
I've just been lectured by freebooter how to use Device Manager.

Restorehealth Error 800F0915

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