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I'm running Ubuntu 12.04 x86. Once I had two monitors and used the Nvidia control panel to configure dual screen to get a single desktop stretched across the two monitors.

enter image description here

Then I had one monitor removed and now every time I login I get the following error mesage:

enter image description here How do I get rid of it?

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up vote 1 down vote accepted

I was not able to find the cause, but I solved the issue by setting the "Launcher placement" to "laptop" under "display settings".

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