I'm using Virtue Desktops with Parallels fullscreened on one desktop and normal OS X on another desktop. I switch between the two desktops using Ctrl-Shift-LeftArrow or Ctrl-Shift-RightArrow. The Guest OS is Linux with GNOME. When switching to Parallels the Shift and Ctrl keys are ghosted on, as if they are still being held, when really they have been released. I need to press/release each meta key (Ctrl, Shift) to push them into their correct state. The sequence of events to demonstrate the fault is Parallels fullscreen Hold Ctrl, then Shift, then press LeftArrow Parallels loses focus, guest OS thinks Ctrl and Shift are depressed OS X fullscreen Release all three keys Hold Ctrl, then Shift, then press RightArrow Release all three keys during the Virtue transition Parallels gains focus but seemingly does not receive the Ctrl-Off or Shift-Off events Guest OS mistakenly thinks Ctrl and Shift are still depressed That sequence above is intermittent, suggesting there's some timing involved, but I can't give better details than the above.
