Hi Enrique,
First can you reinstall Jaksta:
https://www.jaksta.com/download/mac/jaksta-media-recorder
If this does not help, can you send us the log file? You can find it by going to the Preferences and clicking Find Log File.
Thanks,
Ben
Jaksta Support
Enrique Marin de la Flor
justa don´t work because configuration error ocur. Proxy could not finding available TCP port
What can I DO?
Thank you