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When I try to open PNG files, I double click them, then nothing happens. I have to go to "Open with" and select F-spot photoviewer to view PNG files.

This is eog, eye of gnome, correct? How can I troubleshoot the default image viewer?

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closed as off topic by Christopher Kyle Horton, Jorge Castro, htorque, fossfreedom Mar 24 '12 at 10:30

Questions on Ask Ubuntu are expected to relate to Ubuntu within the scope defined by the community. Consider editing the question or leaving comments for improvement if you believe the question can be reworded to fit within the scope. Read more about reopening questions here.If this question can be reworded to fit the rules in the help center, please edit the question.

Can you provide more information about your setup? For example, is this a fresh install of Ubuntu 11.10, or an upgrade? Also, have you considered filing a bug? – Christopher Kyle Horton Mar 5 '12 at 23:44
It's an upgrade from 11.04. But you're right, it looks like a widely reported, and widely unfixed bug. – Mittenchops Mar 6 '12 at 17:17
Hey guys, can I ask why this is off-topic? Asking this really and chasing down the error messages really did help me find the solution to my problem. – Mittenchops Mar 27 '12 at 17:29
Known bugs are generally regarded to be offtopic on AskUbuntu, and we have them closed once we know a proper report on Launchpad exists. For more information, see the faq. – Christopher Kyle Horton Mar 27 '12 at 22:07
Ah, gotcha. Thanks, @WarriorIng64 . I didn't know the rules. But this process of tracking down the official bug based on the error was very helpful for me, thanks to you and jedijf – Mittenchops Mar 28 '12 at 20:02
up vote 3 down vote accepted

Following up on the Glib-GIO-CRITICAL issue, I googled around a little and found it actually was a known issue with libglib. I had another outstanding problem with that, and question on askubuntu. I went ahead with rolling back a version, and the problem was corrected. Details for what was rolled back are here:

How do I downgrade libglib2? (from glib 2.31 to 2.30?)

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Try opening from command line and see if that gives output.

eog /path/to/something.png
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user@machine:~/Desktop$ /usr/bin/eog file.png GLib-GIO-CRITICAL **: Timeout was reached – Mittenchops Mar 5 '12 at 22:12

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