Error 0x88760245

Value: -2005532091 | 0x88760245 | 2289435205

What does it mean ?

DDERR_EXCLUSIVEMODEALREADYSET  
An attempt was made to set the cooperative level when it was already set to exclusive.
Value: 581 | 0x0245 | 0b0000001001000101

Where does it come from ?

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

Other Errors for FACILITY_DIRECT_DRAW