Source
deb http://dl.google.com/linux/talkplugin/deb/ stable main
which worked before is now (after upgrade to 16.04) failing with
Failed to fetch http://dl.google.com/linux/talkplugin/deb/dists/stable/Release:
No Hash entry in Release file /var/lib/apt/lists/partial/dl.google.com_linux_talkplugin_deb_dists_stable_Release
which is considered strong enough for security purposes
What repo should I use now?
It's because google hasn't updated their repo to keep up with the changes in apt.
The only option as fas as I know is to use the .deb which you can download from google
Install it with
or if you use the 32 bit version