Error on booting Cinnamon

[youngmodder123]

I am running Arch Linux with GDM and Cinnamon. When I first booted into Cinnamon I got this error:
"GDBus.Errorrg.freedesktop.PolicyKit1.Error.Failed: An authentication agent already exists for the given subject"
How can I fix this?

 

[ex_bubblehead]

You already have a thread for this: http://www.tomshardware.com/answers/id-2181602/start-error-arch-linux.html

Do not start multiple threads for the same issue.