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I use two monitors on this Macbook Pro running Mavericks. I never use more than one "desktop", however once every few days, I see a random number of new desktops created - usually between 2-3 but sometimes there are as many as 7-10.

The desktops do not remove themselves so some days I end up having more than 12 spare desktops.

There is no wallpaper or icons on my desktop.

What causes the new desktops to be created spontaneously?

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Before we can evaluate the issue tell us what are the settings in your desktop preferences? –  Buscar웃 Apr 11 at 8:58
Solid color, translucent menu bar, no screen saver. –  Howard Apr 11 at 10:34

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