I routinely download videos from www.raiplay.it library after I turn on my VPN. Jaksta never had issues, but now the audio is missing from any video I download.
Please see attached debug file.
Apologies for the delayed response.
As best I can tell the log did not capture any download attempts by Jaksta. It is all just initial setup information...
My suggestions would be the following (in order):
Let me know how you go.