et:1 http://security.ubuntu.com/ubuntu xenial-security InRelease [92,2 kB]
Hit:2 http://br.archive.ubuntu.com/ubuntu xenial InRelease
Get:3 http://br.archive.ubuntu.com/ubuntu xenial-updates InRelease [92,2 kB]
Hit:4 http://ppa.launchpad.net/atareao/atareao/ubuntu xenial InRelease
Ign:5 http://dl.google.com/linux/chrome/deb stable InRelease
Ign:6 http://linux.dropbox.com/ubuntu wily InRelease
Hit:7 http://archive.canonical.com/ubuntu xenial InRelease
Ign:8 http://dl.google.com/linux/talkplugin/deb stable InRelease
Hit:9 http://linux.dropbox.com/ubuntu wily Release
Hit:10 http://ppa.launchpad.net/numix/ppa/ubuntu xenial InRelease
Hit:12 http://br.archive.ubuntu.com/ubuntu xenial-backports InRelease
Hit:13 http://dl.google.com/linux/chrome/deb stable Release
Hit:14 http://ppa.launchpad.net/webupd8team/java/ubuntu xenial InRelease
Get:15 http://dl.google.com/linux/talkplugin/deb stable Release [1.347 B]
Get:17 http://dl.google.com/linux/talkplugin/deb stable Release.gpg [198 B]
Fetched 186 kB in 1s (117 kB/s)
Reading package lists... Done
W: http://linux.dropbox.com/ubuntu/dists/wily/Release.gpg: Signature by key 1C61A2656FB57B7E4DE0F4C1FC918B335044912E uses weak digest algorithm (SHA1)
W: http://dl.google.com/linux/chrome/deb/dists/stable/Release.gpg: Signature by key 4CCA1EAF950CEE4AB83976DCA040830F7FAC5991 uses weak digest algorithm (SHA1)
W: http://dl.google.com/linux/talkplugin/deb/dists/stable/Release.gpg: Signature by key 4CCA1EAF950CEE4AB83976DCA040830F7FAC5991 uses weak digest algorithm (SHA1)
E: 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
E: Some index files failed to download. They have been ignored, or old ones used instead.