Same issue for me.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.1 LTS
Linux nicolas-MS-7808 4.4.0-59-generic #80-Ubuntu SMP Fri Jan 6 17:47:47
UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
Seems to appear randomly and not so frequently.
I tried several times to launch apport-collect 1651520 but it fails
The authorization page:
should be opening in your browser. Use your browser to authorize
this program to access Launchpad on your behalf.
Waiting to hear from Launchpad about your decision...
ERROR: connecting to Launchpad failed: [Errno 13] Permission denied:
You can reset the credentials by removing the file
I've tried successively to "Allow nicolas-MS-7808 to access my Launchpad
account:" "for an hour", "for a week", "until I disable it", apport-
collect fails everytime with the same message.
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Scrambled UI: Text in the Unity windows disappears/mixed after the
resume from the screen idle state
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