Error 0x8004CB03

Value: -2147169533 | 0x8004CB03 | 2147797763

What does it mean ?

FTE_E_CB_NOT_ENOUGH_OCC_BUFFER  
There is not enough occurrence buffer memory available. Possible causes include too many processors, too many filter threads, or the occurrence buffer is not being returned.
Value: 51971 | 0xCB03 | 0b1100101100000011

Where does it come from ?

FACILITY_ITF  
COM/OLE Interface management. FACILITY_ITF is designated for user-defined error codes returned from interface methods
Value: 4 | 0x004 | 0b00000100

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