If you are upgrading your Mac in your home or office, you can use the same QuickTime Player 7 registration key on your new Mac that you purchased with your old one. Apple has not upgraded its pro ...
Still no dynamic scaling of video Several readers have reported that dynamic scaling of video was lost with the QuickTime 7.1 update, and continues to be lost after the QuickTime 7.1.1 update.
The first thing to try in this situation is a simple re-entry of your pro key. If this fails, try the workaround in the section below (downgrading then re-upgrading). DVD Player problems — try ...