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Newbieneeds some advice
I just dealt with this problem. Are you using an external drive for your home directory for APP? I was using a USB drive and ran into the same problem. I set the home directory to the internal HDD, and the problem went away.
If you look at the console window, not in the main APP GUI window, you might get a hint as to what is happening. I was getting i/o exception errors due to using an external drive. Not saying that this is the same problem, but it looks awfully similar...
You are totally right. I will use my HD and see if it works.
This was my result when using a usb drive... looks kind of like yours?