Error 0x8027003F

Value: -2144927681 | 0x8027003F | 2150039615

What does it mean ?

COPYENGINE_E_ACCESSDENIED_READONLY  
The item cannot be modified because it is set to readonly.
Value: 63 | 0x003F | 0b0000000000111111

Where does it come from ?

FACILITY_SHELL  
User Shell
Value: 39 | 0x027 | 0b00100111

Other Errors for FACILITY_SHELL