Error 0x0004A020

Value: 303136 | 0x0004A020 | 303136

What does it mean ?

Indicates that the operation failed, and the system needs to be rebooted. For example, this code is returned if calls to the INetCfgClassSetup::Install or INetCfgClassSetup::DeInstall methods fail.
Value: 40992 | 0xA020 | 0b1010000000100000

Where does it come from ?

COM/OLE Interface management. FACILITY_ITF is designated for user-defined error codes returned from interface methods
Value: 4 | 0x004 | 0b00000100

Other Errors for FACILITY_ITF