Added Desktop every Yosemite startup
Hello.
I have an iMac 21,5 (late 2013). I'm using Yosemite now.
I have connected an external 21 inch display as an extended display.
Every time that I turn on the imac with Yosemite, it adds a new desktop to the Mission Control window... any ideas?
Thanks.
Miguel
iMac (21.5-inch, Late 2013), OS X Yosemite (10.10)