I tried out the QR generator today. I set it to "Email", and filled in an email address and subject. I tried it out with my phone and it worked great. Then I deleted the QR and started making another one. Low and behold, it wouldn't allow me to select any other type of QR than qhat I had before (even kept the values I had before as a default.) I thought that this may be stuck in the document, so I made a new document. I selected QR generator, and the old values were there as before. I couldn't change the type to "Plain Text" or any of the other types. It was just plain stuck.
I'm using a PC with Windows 7. Have any others discovered this :feature"?
I tried this on both Windows 7 and Mac 10.8. I can't replicate your problem. Have you tried holding Ctrl-Alt-Shift as you launch ID to reset the preferences?