Error 0x80270301

Value: -2144926975 | 0x80270301 | 2150040321

What does it mean ?

E_SHELL_EXTENSION_BLOCKED  
Value: 769 | 0x0301 | 0b0000001100000001

Where does it come from ?

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

Other Errors for FACILITY_SHELL