Error 0x8007027A

Value: -2147024262 | 0x8007027A | 2147943034

What does it mean ?

ERROR_CORRUPT_SYSTEM_FILE  
The system file %1 has become corrupt and has been replaced.
Value: 634 | 0x027A | 0b0000001001111010

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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