A couple items:
1) Apt/dpkg (the package manager underlying Mint's Update Manager) does not have an undo capability. Updates, in particular, are one-way unless you want to go through the history logs and explicitly pin then downgrade each of the 51 updates.
2) It actually sounds like dbus is hung (stale library handles, stale service handles, etc...) after your updates and needs to be cleared out. This happens not infrequently on desktop systems (lots of fiddly bits using the desktop bus that don't manage their handles correctly). Usually, the only really effective mechanism to clear a hung dbus is to do a system restart (and yes, I know it sounds like Windows advice, dbus, unfortunately, replicates a lot of the garbage design choices that make Windows require restarts).
a) If you've already done a restart, then you may have library issues (unlikely given your settings, but still possible). The command line 'sudo apt-get update && sudo apt-get dist-upgrade' *might* fix those...
On 08/19/2016 11:54 AM, Dennis McClellan wrote:
> I did a system update today and now I have a couple of serious problems.
>
> I use Thunderbird mail and today I have reminders that won’t go away. I tried dismiss and snooze and dismiss all, tried the X in the upper corner and close in the panel bar at the bottom of the screen. It closes and comes right back.
>
> I also use Audicity and it’s giving me a debug report when I open the program. That is also new today after the update. When I click on the OK button, it clears the debug report and closes the program.
>
> These are the only two programs I’ve used so far today, so I don’t know what else lurks in my system.
>
> What I would like to do is undo the upgrade and redo the upgrades one item at a time.
>
> I’ve looked online but can’t locate how to undo updates.
>
> I am using Mint 18. My Update Manager is set to “Optimize stability and Security”. I am allowing level 1,2 and 3 updates only. My update preferences are set to default settings.
>
> 51 updates were installed today. My last update was 08/02.
>
> Can anyone tell me how to undo todays update.
>
> Any help will be greatly appreciated.
>
>
>
>
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