I've Parallels 11.1.2 and Windows 10 Pro on my Macbook Pro OSX El Capitan v10.11.1. A few days ago the windows-based applications in the mac taskbar simply would not open whilst in coherence mode. I then exited coherence mode because the only way I could open up those applications was using full screen through the windows desktop or start menu. I have since tried removing the parallels tools & reinstalling (and a few other things); however, now the option for coherence is greyed out and not available. When I click on the icons in the taskbar, a question mark shows up over them . I can still open the applications through using full screen through the windows desktop or start menu, however. How can I get coherence mode functioning again, as well as being able to open up the windows applications via the mac taskbar?
