Author Topic: Unable to register authentication agent: GDBus.Error:org.freedesktop.PolicyKit1  (Read 1200 times)

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Hi, trying to start fail2ban, get this

Unable to register authentication agent: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Cannot determine user of subject
Error registering authentication agent: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Cannot determine user of subject (polkit-error-quark, 0)

Certificates do not mach?
Please tell me how to fix it step by step.... help