Error 0xC0370023

Value: -1070137309 | 0xC0370023 | 3224829987

What does it mean ?

ERROR_VID_RESERVE_PAGE_SET_IS_BEING_USED  
Cannot destroy or reuse the reserve page set for the virtualization infrastructure driver because it is in use. Restarting the virtual machine may fix the problem. If the problem persists, try restarting the physical computer.
Value: 35 | 0x0023 | 0b0000000000100011

Where does it come from ?

FACILITY_USERMODE_VIRTUALIZATION  
User mode virtualization subsystem
Value: 55 | 0x037 | 0b00110111

Other Errors for FACILITY_USERMODE_VIRTUALIZATION