W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://in.archive.ubuntu.com trusty Release: The following ...
I am a new Ubuntu user.12.04(32 bit ) version.I not update Ubuntu for 1 month. Now when I want to update using terminal sudo apt-get update then shows that: reading package list done..... :GPG error: ...
While re-opening my Ubuntu 12.04 machine after a 2 weeks vacations, and successfully using the Update Manager to update my applications I see that The package information was last updated 17 days ...