Not getting updates, showing error !

[robinsh123]

Please let me know that what to do to get the latest updates when my system is showing the error messages after trying to get the updates (on notifications).

error says as below link (a screenshot).

http://img843.imageshack.us/i/screenshotck.png/
http://img843.imageshack.us/i/screenshotck.png/

[Dutch70]

Have you tried getting the updates through the terminal?


sudo apt-get update && sudo apt-get upgrade

Other than that working, you're using an alpha version of a development release. Problems should be expected.

[robinsh123]

Have you tried getting the updates through the terminal?


sudo apt-get update && sudo apt-get upgradeOther than that working, you're using an alpha version of a development release. Problems should be expected.

It was working and get upgraded
about 60% of the available updates.

And showing the same error what to do next ??

current error as follows :-

WARNING: The following packages cannot be authenticated!
tar libglib2.0-data libglib2.0-dev libglib2.0-bin libglib2.0-0 tzdata xkb-data bash-completion
brasero-common libbrasero-media1 libpoppler7 libpoppler-glib5 linux-firmware pm-utils poppler-utils
rhythmbox-plugin-cdrecorder rhythmbox-plugins rhythmbox xserver-xorg-video-geode
xserver-xorg-video-intel
Install these packages without verification [y/N]? y
Err http://in.archive.ubuntu.com/ubuntu/ maverick-updates/main tzdata all 2011c-0ubuntu0.10.10
404 Not Found
Failed to fetch http://in.archive.ubuntu.com/ubuntu/pool/main/t/tzdata/tzdata_2011c-0ubuntu0.10.10_all.deb 404 Not Found
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

[robinsh123]

Please help me !

Now the "Torrent Transmission Client".
is also showing the same error before working.