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I am running VNCserver on a Raspberry Pi.
When logging in remotely, I get following error:
GDBus.Error:or.freedesktop.PolicyKit1.Error.Failed: An authentication agent already exists for the given subject
When I connect a screen directly, I don't have this error, so it only appears on my remote environment.
I have tried the usual stuff, like xlsession-edit
and alike, but this does not solve the issue.
Can you check the system log (journalctl -b) for "Authentication Agent" messages? – user1686 – 2019-11-08T13:50:44.953