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I can see from the launcher that the Update Manager is running - it has the little triangle by it. However, I am having trouble seeing the window. If I click on it from one desktop, it switches to another, so I assume that the Update Manager has its window on that other desktop, but it still doesn't show anything.

If I click alt-tab to switch between apps, I can see that the Update Manager is there, but selecting it just shows me a blank screen. Also, when I select it, while still holding the alt-key, I see the top menu bar switch to 'Update Manager', but when I release alt, it changes back to Ubuntu Desktop.

It's almost like the app is off the screen somewhere, perhaps with just a single pixel showing or something like that.

disclaimer: One thing that might be affecting things is that I have 'focus follows mouse' configured, which makes things a bit funky with the menu not being on the window, where it should be (perhaps there's a way to put it back with the window?) - I like to be able to type into background windows, and manually control which window is in the foreground.

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Try switching the workspace through workspace switcher in Launcher panel , or use Ctrl+Alt+Arrow keys. –  atenz Jul 10 '12 at 8:51
    
I do that all the time, but the Update Manager isn't on any desktop. –  Max Waterman Jul 10 '12 at 13:04
    
i would suggest reinstalling it through sudo apt-get install update-manager , reboot and see if it helps. –  atenz Jul 10 '12 at 15:02
    
This is still bugging me in Ubuntu 14. –  Zan Lynx Sep 23 at 20:49

2 Answers 2

up vote 4 down vote accepted

I am having the same issue with not being able to open / view the window using the Update Manager icon in the right side launcher.

Workaround: right-click the icon and Quit Update Manager from the quick list, then go to the top right Settings (gear) menu and click on Updates Available...

This would show the Update manager window.

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Thanks, this works. Odd bug, never happened before, and I didn't just upgrade anything. –  Sean Jul 3 '13 at 6:29
    
Maybe related: Once I do this and have the updater window on screen I'm unable to resize it using the mouse at the window borders. Does anyone else experience this? It might be a hint in debugging the issue. –  Drew Noakes Nov 3 at 9:37

Workaround: right-click the Update Manager icon on the quick list and select Quit (as noted earlier), and then use middle button on the same Update Manager icon.

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In case the icon disappears or you don't have a middle button, you can start Software Updater from the launcher. –  Drew Noakes Oct 16 at 9:15

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