Error 0x8001010A

Value: -2147417846 | 0x8001010A | 2147549450

What does it mean ?

RPC_E_SERVERCALL_RETRYLATER  
The message filter indicated that the application is busy.
Value: 266 | 0x010A | 0b0000000100001010

Where does it come from ?

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

StackOverflow

Other Errors for FACILITY_RPC