This disc cannot be started. The region code is not correct.
This may occur when trying to play back a UMD Movie thats not from your PSPs Region.
You can change your PSP Region in the Recovery menu, this may not work on all PSPs.

This may also occur when trying to start a PSP ISO game when a UMD Movie is inserted.
To play a PSP ISO you need to insert a Game or Demo UMD into your PSP before starting the PSP ISO game.