Is there any official solution to this anywhere? This is still happening to me on Ubuntu 15.10, and it's one of the most annoying problems I've ever encountered; sometimes when I switch from one logged-in user to another, I have to click cancel on dozens and dozens of these prompts. And I'm not comfortable following any of the workarounds involving uninstalling notification programs or disabling policykit stuff...
Is there any official solution to this anywhere? This is still happening to me on Ubuntu 15.10, and it's one of the most annoying problems I've ever encountered; sometimes when I switch from one logged-in user to another, I have to click cancel on dozens and dozens of these prompts. And I'm not comfortable following any of the workarounds involving uninstalling notification programs or disabling policykit stuff...