Hi again Stephane,
Just posting the same answer here to tidy up this thread.
Are you running the latest version of Jaksta? If not, then try updating.
And have you tried other browsers at any point? If not, try them and see if you get the same result.
And are you running a VPN? If you are, try turning it off as they can often interfere with web traffic and streaming downloads.
If the problem continues, can you please send us a log file. You can find it in Jaksta by going into Preferences > General > Find Log File
From Liam @ 29 Mar 2017 10:03