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Every other time I reboot, I loose my applications lens in Unity!
It was working about an hour ago, now it doesn't give any results (even for "firefox" for example). What's wrong ?
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Have you tried rebooting? – Greg Treleaven Oct 26 '11 at 19:47
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Yes, I did. This problem occured when I added pidging to the startup manager. – Quentin Oct 26 '11 at 19:50
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This may answer it: http://askubuntu.com/questions/34902/search-results-in-unity-are-always-empty – Greg Treleaven Oct 26 '11 at 19:55
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Searching files works - but I still can't search through apps ("terminal", "firefox" or "evolution" don't give any results). – Quentin Oct 26 '11 at 20:33
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If you press `super+a` (Windows logo key) this will open the Applications search, does your search give results there? – Greg Treleaven Oct 30 '11 at 16:36
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This question should instead be filed as a bug report, thanks! [Instructions here](http://askubuntu.com/questions/5121/how-do-i-report-a-bug). – Jorge Castro Feb 01 '12 at 05:00
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I have the same problem. Selecting "Applications" just results in an empty box and no searches come up with any applications.
I finally found this solution: http://ubuntuforums.org/showthread.php?t=1853156
I ran the command that begins: "sudo apt-get install --reinstall..."
I got some errors that some packages did not exist, so I just removed them from the command line and tried the command again, until it worked.
"sudo lightdm restart" gave me an error...apparently root does not have permission to access a user's display manager? But no matter...the apt-get re-install did the trick and the next time I clicked on the dash home, the applications were all back.
OldNewb
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Whilst this may theoretically answer the question, [it would be preferable](http://meta.stackexchange.com/q/8259) to include the essential parts of the answer here, and provide the link for reference. Imagine the linked site goes down for maintenance or forever - your answer would become worthless. – htorque Nov 01 '11 at 08:14
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Also, the right command is `sudo restart lightdm`, or you can just log out and back in. – htorque Nov 01 '11 at 08:15