ERROR_PATCH_REMOVAL_UNSUPPORTED 0x8007066E

Error code 1646 · HRESULT 0x8007066E

WINDOWS

Uninstallation of the update package is not supported.

Windows troubleshooting diagram: Device Manager warning and a system file scan
Windows errors: check drivers, system files and Event Viewer, in that order.

What it means

ERROR_PATCH_REMOVAL_UNSUPPORTED is a Windows error code (system error 1646, returned as HRESULT 0x8007066E) reported by Windows. Its official message is: “Uninstallation of the update package is not supported.”

How to fix ERROR_PATCH_REMOVAL_UNSUPPORTED

  1. Run the Windows Update troubleshooter (Settings → System → Troubleshoot → Other tools)
  2. Reset update components: stop 'wuauserv' and 'bits', clear C:\Windows\SoftwareDistribution, restart both services
  3. Verify system file integrity with 'sfc /scannow'

Related errors

ERROR_PATCH_REMOVAL_DISALLOWEDERROR_PATCH_NO_SEQUENCEERROR_PATCH_PACKAGE_REJECTEDERROR_PATCH_TARGET_NOT_FOUNDERROR_INSTALL_REMOTE_PROHIBITEDERROR_UNKNOWN_PATCHERROR_INSTALL_TRANSFORM_REJECTED

Source: Microsoft WinError.h

Last updated: