ERROR_SECUREBOOT_POLICY_VIOLATION 0x80071145

Error code 4421 · HRESULT 0x80071145

WINDOWS

The value is protected by Secure Boot policy and cannot be modified or deleted.

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_SECUREBOOT_POLICY_VIOLATION is a Windows error code (system error 4421, returned as HRESULT 0x80071145) reported by Windows. Its official message is: “The value is protected by Secure Boot policy and cannot be modified or deleted.”

How to fix ERROR_SECUREBOOT_POLICY_VIOLATION

  1. Reboot once — many one-off system codes disappear with a clean restart
  2. Repair system files: 'sfc /scannow' then 'DISM /Online /Cleanup-Image /RestoreHealth'
  3. Find the source in Event Viewer → System: filter for this exact code and open its provider link

Related errors

ERROR_SECUREBOOT_POLICY_PUBLISHER_NOT_FOUNDERROR_SECUREBOOT_POLICY_NOT_SIGNEDERROR_SECUREBOOT_POLICY_NOT_AUTHORIZEDERROR_SECUREBOOT_POLICY_UNKNOWNERROR_SECUREBOOT_ROLLBACK_DETECTEDERROR_SECUREBOOT_INVALID_POLICYERROR_SECUREBOOT_NOT_ENABLED

Source: Microsoft WinError.h

Last updated: