-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA224 > Hello > > I successfully run: (as indicated in the web site) > > sudo apt-key adv --keyserver keyserver.quickbuild.pearsoncomputing.net > --recv-keys F5CFC95C > > And installed trinity, but after a while when running > > sudo apt-get update > > Again I obtain: > > Reading package lists... Done > W: GPG error: http://ppa.launchpad.net lucid Release: The following > signatures couldn't be verified because the public key is not available: > NO_PUBKEY 4DF9B28CA252A784 > > Did the key change? > > regards > > Uwe Brauer No, they key did not change. Any key changes are broadcasted to all lists including trinity-announce. The error message you posted refers to ppa.launchpad.net; TDE is hosted on ppa.quickbuild.pearsoncomputing.net. Did you add a Launchpad PPA recently without adding its signing key? Tim -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iFYEARELAAYFAlRXlbwACgkQLaxZSoRZrGEj9gDffT1BMnU27EjFv3ZGBRgs9iJZ 87k6fwEsPrglIgDgzJz/nyRdN6lUkX9tU2UJ/4iux6LWgrnXXlLadg== =WEU2 -----END PGP SIGNATURE-----