Comment 18 for bug 1570141

@ MP; works for me, too!
Had to re-do the process several times and I changed this: "sudo rm /var/lib/update-notifier/package-data-downloads/partial/*.FAILED" to this "sudo rm /var/lib/update-notifier/package-data-downloads/partial/*.*". Did the last two commands several times and in the end the installation finished without errors. The only thing that was different in the last run, when it completed, was a dialog window telling me that the download of *something*-corefonts-installer had failed. (?!?!@) But I let this window during the terminal process and it completed. After that canceled the dialog window.

Anyway, thanks!