Does it only stop like this for private videos? Or the public ones as well?
Can you check that you have the latest version 1.4.9? You can get it here:
If this still does not work with this version, are you able to post the full log file? If it's too large you can delete it and then restart Jaksta - this will create a fresh one.
From Ben Graham @ 13 Apr 2016 13:04