Error 0x80073D18

Value: -2147009256 | 0x80073D18 | 2147958040

What does it mean ?

ERROR_INSTALL_OPTIONAL_PACKAGE_REQUIRES_MAIN_PACKAGE_FULLTRUST_CAPABILITY  
An optional package with a FullTrust entry point requires the main package to have the runFullTrust capability.
Value: 15640 | 0x3D18 | 0b0011110100011000

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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