I was recently teaching a class on LiveCycle Designer, and the Preview tab was not available. If I opened the file from within Acrobat, then the Preview tab became available. But when I clicked it (from LCD), I got a error message and was taken back to Acrobat again. (I don't have access to that computer today, but I can check it on Monday.)Is there a preference setting somewhere that I'm missing? (I've had a similar problem before, but soon discovered that Acrobat was presenting a modal dialog ...