Dragon has suddenly started giving me an error message: ‘SendKeys Cancelled’, how can I fix this?

Adobe Acrobat Reader X is not playing well with Dragon NaturallySpeaking v11 & Dragon Medical v10.1 these days.  If you have recently started receiving this error message, it was most likely caused by the recent Adobe patch.  Basically, you have two options: 1.  Open Adobe Acrobat Reader X, go to the Help menu, select [Check for…