General fix for your Apple iPad 4:
This might seem obvious, but it is often forgotten and/or ignored. Regardless of what complications you might experience with your iPad 4, the one thing that fixes the most of them is to simply turn off your iPad 4 completely (not just the screen) by holding the power-button, and then turn it back on.
General fix for DVD Catalyst 4 related issues:
DVD Catalyst 4 has a lot of options to adjust (if you enable Power User mode) and if you are running into complications and are not sure if you changed something, a reset of DVD Catalyst 4 will often fix the issues you are experiencing.
* Make sure DVD Catalyst is not running. While not needed, a restart of your computer will not hurt.
* Click on “START” > “RUN” (or hold down the windows-key on your keyboard and tap the “R” key)
(if your keyboard has 2 Windows-keys, holding down one is enough)
* In the run dialog, type in:
and click OK
*delete the “DVD Catalyst 4″ folder there.
This will reset DVD Catalyst to it’s defaults, and will take care of most possible issues.