"Installation Failed"eject disc,reinsert to try again displays on media screen

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This error message began appearing in the media screen just recently and will overlay whatever is currently on the screen, such as the back up camera. I can see the edges of what is in the background. I do not use the CD player, never have. Sometimes the error message goes off sometimes it stays on. I have also had issues changing the channel when on satellite radio. It locks in on a channel and will not change. I have been on 6 hours trips and it stays locked the entire drive. Screen goes blank when I turn the knob to change channel while current station still plays. If I drive for a moment then turn the car off and back on I can change channels and it works as normal. My Volvo dealer in Atlanta has no idea how to fix.They have changed out the Sirius radio box but it didn't fix it. So I have lived with this since it was brand new.I wonder if the issues are connected.