Albert, a reboot shouldn't be necessary. Did you get a "reload" prompt when you un-ticked the "Pre-released updates" box?
Did you click "Reload" or "Close"? Is that box still ticked? We need a little more information from you in order to establish whether you have encountered a bug or need help in disabling the proposed repository. ** Summary changed: - I can disable proposed updates + I can't disable proposed updates -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to software-properties in Ubuntu. https://bugs.launchpad.net/bugs/1592427 Title: I can't disable proposed updates Status in software-properties package in Ubuntu: New Bug description: Hi!! Accidentally I've enabled proposed updates in development section but now I can't disable it. I've rebooted the laptop but the issue isn't fixed. Regards!! To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/software-properties/+bug/1592427/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp