Windows 11 Support Thread

Microsoft confirms October Windows KB5002934 update broke Excel copy paste again, issues fix - Neowin​

Microsoft fixed a recurring Excel copy-paste bug caused by Windows updates by re-releasing an updated KB5002934.

Back in September, Microsoft released the KB5002914 security update for Excel, which broke one of the most basic and used functions in the app, or for that matter, anywhere, copy and pasting. The company later acknowledged the issue and issued a fix with a subsequent update KB5002665.

However, users soon realized that the bug had returned once again in the following October update under KB5002934. To verify their suspicion, affected users uninstalled the update to see if the regression was resolved, and as expected by them, the copy-pasting function soon began working again.

This update was pushed via the Windows update channel which recently published the latest Windows 11 non-security preview releases for the month.

The recurrence of the same bug within a month, especially with something as fundamental as this, is definitely not expected from Microsoft, though it's possible that the tech giant is currently busy with the Windows 11 26H2 rollout that just happened for everyone, as well as its new features like a fully native internet speed monitor that was apparently made in just a "single day in spare time."

On the positive side though, Microsoft acknowledged the issue and has now released a fix for it. The bug affected the Excel 2017 build 16.0.5574.1005 that was initially released by the KB5002934; however, instead of pushing out a new update again via Windows update, the company re-released the same KB5002934 update again, but with a newer build 16.0.5574.1006.

Microsoft has confirmed the copy-paste regression has been resolved by this latest release.

In case you are affected by this issue, you can download the update on Microsoft's official Download Center website at this link. You can check out the official support article for KB5002934 here also on Microsoft's website.
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Windows 11 KB5132061 update download & install fails with 0x800f0993 error [Update] - Neowin​

Microsoft's latest Windows 11 update KB5132061 is causing unexpected installation problems, leaving users exploring possible fixes and workarounds.

Earlier today Microsoft released the latest Patch Tuesday updates for November 2026 with KB5132061 and KB5131087on Windows 11, and KB5131096 on Windows 10.

Many Neowin readers have confirmed however that the former is having download and installation issues with a 0x800f0993 error, while others report a 0x800f0989 error message.

At the moment it is hard to say what's the problem since Microsoft itself does not list any known issues. Perhaps running a DISM (Deployment Image Servicing and Management) repair could fix the issue for you.

In case you may not be familiar, DISM is command-line tool that can be used to service and prepare Windows images, and may be able to fix corrupt files when used alongside SFC (system file checker).
  1. Open an elevated command prompt. To do this, open the Start menu, type Command Prompt, right-click Command Prompt, and then select Run as administrator. If you're prompted for an administrator password or for a confirmation, type the password, or select Yes.
  2. Type the following command, and then press Enter. It may take several minutes for the command operation to be completed:
    DISM.exe /Online /Cleanup-image /Restorehealth
  3. Type the sfc /scannow command and press Enter. It may take several minutes for the command operation to be completed. Close the command prompt, and then run Windows Update again.
Aside from that, running the Windows Update troubleshooter could be an option too. Lastly, it's possible that it is a bug on Microsoft's own servers so perhaps just wait it out.

Update: A user managed to uncover a fix for the issue, and it looks like Windows Sandbox could be causing it.
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User finds fix for Windows 11 KB5132061 install fail, a Microsoft feature may be culprit - Neowin​

Microsoft's latest Windows 11 KB5132061 update face installation failures, with users uncovering a surprising connection to an optional feature.
In this case, with the help of Claude, a user found that the update was failing only on the desktop PC where Windows Sandbox was enabled. Interestingly, their other Windows 11 desktop and laptop systems did not experience the same problem.

Upon inspecting the CBS.log file, they came across a STATUS_OBJECT_PATH_NOT_FOUND error referring to a missing Professional.xml file inside the WinSxS folder. The log also contained the following message: "Failed to recreate container base images: HRESULT_FROM_WIN32(ERROR_PATH_NOT_FOUND)"

Apparently this file is required by Windows Sandbox to recreate the base image of the virtual machine it runs. The servicing process was looking for an older version of the file, and the missing path was causing the update installation to fail.

As such, the workaround was surprisingly simple as all the user had to do was to disable Windows Sandbox, then restart the PC, and re-install KB5132061. This time, the update went through successfully and they also confirmed that subsequent DISM and SFC scans came back clean, suggesting that there was no underlying system file corruption that needed repairing.

To disable Sandbox through the Windows Features dialog:

  1. Open Start and search for Turn Windows features on or off.
  2. Find Windows Sandbox in the list.
  3. Uncheck it and click OK.
Alternatively, you can use an elevated PowerShell window (Run as Administrator) and execute the following command:

Disable-WindowsOptionalFeature -Online -FeatureName Containers-DisposableClientVM

After this restart the PC, and try reinstalling Windows 11 KB5132061.

For those not familiar, Windows Sandbox is a lightweight, isolated desktop environment that lets users safely run untrusted applications, test software, and open potentially suspicious files without affecting the main Windows installation. It uses hardware-based virtualization to isolate the environment, and is also disposable, meaning all installed software, files, and changes are deleted when the Sandbox is closed. Thus if you don't need such a feature, you can disable it.
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