Serious issues regarding KB5063878 and the need for official quick resolution

Question

Serious issues regarding KB5063878 and the need for official quick resolution

zhang 0 5

The KB5063878 update is a disaster.It's causing hard drives to fail after large file operations. No one can wait for your long and meaningless investigation right now. The most important thing is to get the massive number of users out of this dangerous state.

Stop investigating and focus on releasing a new update immediately. Even using a previous version to temporarily roll back is an acceptable solution. Fixing this problem is what you should do AFTER we are out of risk.

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RawBert W 0 Reputation points

2025-08-27T02:13:05.0366667+00:00

this is happening to me too
commstew dodge 0 Reputation points

2025-08-28T02:55:41.48+00:00

I can not even uninstall this update . I log into my admin account and click uninstall and it fails. why is microsoft now locking it ? its wierd i cant uninstall a update that is bricking computers....
HypoluxaI0I0 0 Reputation points

2025-08-28T03:22:45.7866667+00:00

Pause updates. Reboot then go back and uninstall it. Should do the trick. However, even if I disable the service, stop it set recovery tab options to take no action. After reboot windows update service still goes back and sets it to manual(trigger start). Not cool. Enter windows update setting in search bar and pause the updates there. Does the trick.
Silvia Ferretto 0 Reputation points

2025-08-28T21:11:52.07+00:00

I am experiencing the same issues with this version

2 answers

Your answer

Deleted

This comment has been deleted due to a violation of our Code of Conduct. The comment was manually reported or identified through automated detection before action was taken. Please refer to our Code of Conduct for more information.
RawBert W 0 Reputation points

2025-08-27T02:13:05.0366667+00:00

this is happening to me too
commstew dodge 0 Reputation points

2025-08-28T02:55:41.48+00:00

I can not even uninstall this update . I log into my admin account and click uninstall and it fails. why is microsoft now locking it ? its wierd i cant uninstall a update that is bricking computers....
HypoluxaI0I0 0 Reputation points

2025-08-28T03:22:45.7866667+00:00

Pause updates. Reboot then go back and uninstall it. Should do the trick. However, even if I disable the service, stop it set recovery tab options to take no action. After reboot windows update service still goes back and sets it to manual(trigger start). Not cool. Enter windows update setting in search bar and pause the updates there. Does the trick.
Silvia Ferretto 0 Reputation points

2025-08-28T21:11:52.07+00:00

I am experiencing the same issues with this version

Answer 1

MUSTAFA SALAH 100

I'm a community volunteer and just wanted to help clarify what's going on with update KB5063878.

This update has been reported to cause issues, including potential drive failures after large file operations. While Microsoft hasn’t released an official fix yet, the current workaround is to uninstall KB5063878 and pause updates temporarily.

If you're in an organization, updates can be managed or deferred using tools like Group Policy or Windows Update for Business to avoid installing the problematic patch.

A rollback or fixed update is reportedly in the works, so keep an eye out for official announcements. Hope this helps!

zhang 0 5 Reputation points

2025-08-20T22:17:09.6133333+00:00

Thanks for your suggestion. However, the update is permanently integrated into my build and can't be uninstalled. Also, performing a system rollback isn't a viable option due to some complications. That's why my only path forward is to push for a new fixed update.
MUSTAFA SALAH 100 Reputation points

2025-08-20T22:28:14.7633333+00:00
Totally Understand and I agree with you.
Try the below steps (may help):
(Settings >> Windows Update >> Update History >> Uninstall Update)
Like Below:
OR from
(Settings >> System >> Recovery >> Advanced Startup: Restart Now)

You may find option to roll-back.
zhang 0 5 Reputation points

2025-08-20T22:42:26.49+00:00

I really appreciate the help! I've actually already given these solutions a try, but thank you so much for your effort and time!
Juan Fernando Vélez Melguizo 0 Reputation points

2025-08-27T14:45:07.61+00:00

To successfully uninstall the update KB5063878 must uninstall first Windows SandBox, while SandBox is in the system KB5063878 update won't uninstall. It will fail with the message: "Security Update for Microsoft Windows (KB5063878) - uninstall failed (error 0x800F0825)"

Answer 2

John DeV 134.9K Independent Advisor

Hi, good day!

In addition to Mustafa, I recommend reporting the issue via Feedback Hub app to notify Microsoft.

https://support.microsoft.com/en-us/windows/send-feedback-to-microsoft-with-the-feedback-hub-app-f59187f8-8739-22d6-ba93-f66612949332

Continue to pause updates temporarily until Microsoft releases a patch fix.

zhang 0 5 Reputation points

2025-08-20T22:49:27.3733333+00:00

Thank you for the feedback and your response! I will definitely go ahead and report the issue!
John DeV 134.9K Reputation points Independent Advisor

2025-08-20T22:54:07.9766667+00:00

You're most welcome. I'm glad to help.
HypoluxaI0I0 0 Reputation points

2025-08-28T02:47:40.4466667+00:00

I keep uninstalling it repeatedly. Now it wont let me uninstall it for some reason. I disable the windows update service. Somehow the service is forcing itself to start and updates yet again. How does that work? Startup type: Disabled. Recovery: All set to take no action. Still finds a way to update and sets itself to manual triggered when ive taken 0 action to update. It's really ticking me off. 5th time or so to uninstall the update now uninstalls are failing. Nvm, issue was it was in process another install. Paused updatres then I just uninstalled again. Lonnng day.

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Serious issues regarding KB5063878 and the need for official quick resolution

2 answers

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