| Issue | Likely Cause | Solution | |--------|----------------|------------| | Uninstall option grayed out | Update is permanent (e.g., Servicing Stack Update) | Cannot uninstall; use System Restore or reinstall OS. | | "Update not found" error | Wrong KB number or update was superseded | Use dism /online /get-packages to find exact package name. | | Uninstall hangs at 5-10% | Corrupted update cache or pending reboot | Run sfc /scannow and dism /online /cleanup-image /restorehealth , then retry. | | Server fails to boot after uninstall | Dependency issue or system file corruption | Boot into Safe Mode with Networking and uninstall from there, or perform Startup Repair. |
Windows Server 2016 provides several avenues for removing updates, categorized by the level of system access available: how to uninstall security update in windows server 2016
If no results appear, the update is gone. | Issue | Likely Cause | Solution |
Restart when prompted.