When watching TV or playing MP3-files, the "Play disc" menuentry doesn't work. It just returns back home. If I stop the TV or the music it works.

Reported by pilehave, confirmed by thesystemera.
It works fine on my system. Probably some timing issue.

h4. Steps to Reproduce
Play some media.
Go to home menu with DVD inserted, choose play disc.

h4. Additional Information
http://forum.team-mediaportal.com/mediaportal-1-1-0-rc-1-496/play-disc-menuitem-doesnt-do-what-suggests-80350/