Similar here (GN CDMA, ICS 402, rooted) but it is sporadic. For example, as I type this, I have AirDroid open in Chrome,with the "master" SMS window showing two threads (each a different contact; thread #1 = my wife; #2 = our daughter). I click on thread #1, and no popup opens -- instead, it "minimizes" to the bottom of the Chrome window, and clicking on that minimized "window" does nothing. If I re-click on thread #1 in the master window, a second minimized window appears at the bottom of Chrome. BUT if I click on thread #2 - the popup opens, usable, everything fine. Oddly enough, when I see this behavior, it ALWAYS affects contact #1 (my wife) but not contact #1 (our daughter). I actually considered the possibility that there might be something intrinsically different in their basic contact info, that was throwing AirDroid off....but then I saw that occasionally it happens for my daughter too