contextual

I abruptly lost ability to trigger Windows context aka contextual menus using Control-Shift-Click (was what I used previously) or Control-Click. The menus trigger successfully using the online Windows keyboard utility (context menu key on that in lower right of keyboard). Any suggestions for...

I bought Parallels 15 and I notice that media files, documents, cue files, mp3 files, Pdfs, etc all have, on the right click contextual menu, options to open with Windows applications. I even clicked on a .mkv file and it DEFAULTED to Windows Media Player. I do NOT want windows to do anything...