WMI Error The RPC server is unavailable or Access is denied.

exception 'com_exception' with message 'Source: SWbemLocator
Description: The RPC server is unavailable.
exception 'com_exception' with message 'Source: SWbemLocator
Description: Access is denied.

Fixed.
1. Enable User : Administrator
2. install password to Administrator

That's you get already now. :( Not good at English.