Error 0x80073C2B

Value: -2147009493 | 0x80073C2B | 2147957803

What does it mean ?

ERROR_RUNLEVEL_SWITCH_AGENT_TIMEOUT  
A run level switch agent did not respond within the specified timeout.
Value: 15403 | 0x3C2B | 0b0011110000101011

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

Other Errors for FACILITY_WIN32