I upgraded my desktop (amd64) from 10.04 lucid to 10.10 maverick today:
aptitude update
[..]
[..]
Fetched 2,959B in 1s (1,507B/s)
W: GPG error: http://extras.ubuntu.com maverick Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY DB141E2302FDF932
I upgraded my desktop (amd64) from 10.04 lucid to 10.10 maverick today: extras. ubuntu. com maverick Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY DB141E2302FDF932
aptitude update
[..]
[..]
Fetched 2,959B in 1s (1,507B/s)
W: GPG error: http://
dpkg-reconfigure ubuntu- extras- keyring extras- keyring
aptitude reinstall ubuntu-
didnt do the trick.