DISM will process the removal. It may take several minutes.
Copy the full Package Identity string. Then run:
Uninstall the update using the wusa.exe method from PowerShell (same as command prompt): how to uninstall security update in windows server 2016
Get-HotFix -Id KB4566429
This produces a long list. Look for entries containing your target KB number, e.g., “KB4566429”. Note the – a long string starting with Package_for_ . DISM will process the removal
No output = success.
List all installed packages:
Remove /quiet if you want progress feedback.