For the following products:
- StudioLive 24.4.2
- StudioLive 16.4.2
- StudioLive 16.0.2
- FireStudio Project
- FireStudio Mobile
Universal Control Version 1.7.2 and older WILL NOT work with Mac OS X 10.11, you MUST upgrade to version 1.7.3, more info on UC 1.7.3 can be found here:
Universal Control 1.7.3 Release Notes and Update information
NOTE: If you have done an upgrade to 10.11 El Capitan instead of a clean install and you are experiencing problems with your StudioLive Classic or FireStudio device, we recommend doing a full manual uninstall and reinstall of Universal Control 1.7.2
See here for StudioLive Classic: http://support.presonus.com/entries/119040-How-do-I-Uninstall-Reins...
See here for FireStudio family: http://support.presonus.com/entries/113168-FireStudio-Family-How-do...