Are you getting any reaction out of Jaksta at all? Have you got monitoring turned on (switch the button down the bottom left corner to ON)?
Are you running a Mac OS later than 10.10 - if not then it may not work properly as earlier versions of Mac OS are no longer supported.
If none of these checks/changes help then I would suggest doing a full reinstall.
What you will need to do is delete the app (uninstall) from Applications instead of just reinstalling over it. Then in Finder go to the top menu and then access Go > (holding one of shift/alt/control/command) Library > Application Support > Jaksta Media Recorder and delete that folder (NOTE: doing this will erase your library file list in Jaksta, but your downloaded/converted files will remain intact). This folder and its files may already be deleted when the app is removed, but it's a good idea to double check and be thorough in case it remains and is reused when the app is reinstalled. Reboot the Mac and then do a reinstall of the latest version (https://www.jaksta.com/download/mac/jaksta-media-recorder) and it will regenerate a new copy of the deleted folder and the application files.
Start with that and then we can go from there.
Hi There, I have a licensed version for Jaksta for Mac and I try to download videos it does not start at all.
My version is Version 2.0.2 (231)
Your Copy of Jaksta Media Recorder has been activated
User Name: Mohamed Saad
User Email: email@example.com
Tried Safari and Chrome