Error 0x80010004

Value: -2147418108 | 0x80010004 | 2147549188

What does it mean ?

RPC_E_CANTCALLOUT_INASYNCCALL  
The caller is dispatching an asynchronous call and cannot make an outgoing call on behalf of this call.
Value: 4 | 0x0004 | 0b0000000000000100

Where does it come from ?

FACILITY_RPC  
RPC subsystem
Value: 1 | 0x001 | 0b00000001

StackOverflow

Other Errors for FACILITY_RPC