Error 0xC038002A

Value: -1070071766 | 0xC038002A | 3224895530

What does it mean ?

ERROR_VOLMGR_NO_REGISTERED_USERS  
There are currently no registered users for notifications. The task number is irrelevant unless there are registered users.
Value: 42 | 0x002A | 0b0000000000101010

Where does it come from ?

FACILITY_USERMODE_VOLMGR  
User mode volume manager
Value: 56 | 0x038 | 0b00111000

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