Do you currently have the double-codec entries problem in Studio 11? If so, you might want to try this Tip!
Many users reported ‘double entries’ issues in the Pinnacle Studio "Make Movie" tab. In this case, each 2nd entry (the double) must not be used otherwise you might crash Studio. This Tips & Tricks allows you to get rid of these double entries.

This tip can help you to enable SmartSound in Studio 11 if it doesn't appear despite being normally installed or reinstalled afterwards

Preferred Studio's music format is .WAV so it is strongly advised to convert your music CD's to WAV files (CD Rip) instead using directly the Studio CD Import function. This can be achieved with the famous CDEx. This Tips & Tricks will explain how to proceed so there is no more need to insert CD's after deleting Auxiliary Files (as Studio needs to recreate the related Auxiliary Files), useful instant access to any music, and no risk crash related issues.