Any progress on https://community.norton.com/forums/parallels-desktop-9-mac-and-norton-internet-security-5-mac#comment-5218083 ?
In the mean time I've upgraded to Parallels Desktop 10 for Mac (v10.1.1) and this annoying issue is still there!
ps. Why were replies blocked on the previous thread?
ps2. Weird that I can't add "Parallels" as a label for this thread.