ERROR_PATCH_PACKAGE_UNSUPPORTED 0x80070665

Error code 1637 · HRESULT 0x80070665

WINDOWS

This update package cannot be processed by the Windows Installer service. You must install a Windows service pack that contains a newer version of the Windows Installer service.

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_PACKAGE_UNSUPPORTED is a Windows error code (system error 1637, returned as HRESULT 0x80070665) reported by Windows. Its official message is: “This update package cannot be processed by the Windows Installer service. You must install a Windows service pack that contains a newer version of the Windows Installer service.”

How to fix ERROR_PATCH_PACKAGE_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_PACKAGE_INVALIDERROR_PATCH_PACKAGE_OPEN_FAILEDERROR_PATCH_PACKAGE_REJECTEDERROR_PATCH_TARGET_NOT_FOUNDERROR_PRODUCT_VERSIONERROR_INVALID_COMMAND_LINEERROR_INSTALL_NOTUSED

Source: Microsoft WinError.h

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