Error 0x80071145

Value: -2147020475 | 0x80071145 | 2147946821

What does it mean ?

ERROR_SECUREBOOT_POLICY_VIOLATION  
The value is protected by Secure Boot policy and cannot be modified or deleted.
Value: 4421 | 0x1145 | 0b0001000101000101

Where does it come from ?

FACILITY_WIN32  
Provides a way to handle error codes from functions in the Win32 API as an HRESULT. (Error codes in 16 - bit OLE that duplicated Win32 error codes have also been changed to FACILITY_WIN32)
Value: 7 | 0x007 | 0b00000111

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