The Kaltura support page below contains several Frequently Asked Questions regarding issues that you may run into and their workarounds:
https://knowledge.kaltura.com/help/kaltura-capture-faq
We have also created a few articles hosted here for common problems with Kaltura:
How to Submit a Kaltura video to Blackboard:
https://davenport.teamdynamix.com/TDClient/135/Portal/KB/ArticleDet?ID=6141
Kaltura on Mac 'Failed to stop recording'
https://davenport.teamdynamix.com/TDClient/135/Portal/KB/ArticleDet?ID=3001
Kaltura - Access denied message
https://davenport.teamdynamix.com/TDClient/135/Portal/KB/ArticleDet?ID=1510
If you are having trouble, or have any questions, please give us a call at 1-877-899-1499 and we can assist you further.