Error 0x88760294

Value: -2005532012 | 0x88760294 | 2289435284

What does it mean ?

DDERR_CANTPAGEUNLOCK  
An attempt to page-unlock a surface failed. Page unlock does not work on a display-memory surface or an emulated primary surface.
Value: 660 | 0x0294 | 0b0000001010010100

Where does it come from ?

FACILITY_DIRECT_DRAW  
Direct Draw (part of DirectX) - 2D Rendering
Value: 2166 | 0x876 | 0b100001110110

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Other Errors for FACILITY_DIRECT_DRAW