GnuPG signature check failed on nss_3.12.6-2~bpo50+1_armel.changes gpg: Signature made Tue Aug 10 16:42:45 2010 CEST using RSA key ID 76E2AC7B gpg: Can't check signature: public key not found (Exit status 2) nss_3.12.6-2~bpo50+1_armel.changes has bad PGP/GnuPG signature! Removing nss_3.12.6-2~bpo50+1_armel.changes, but keeping its associated files for now. Greetings, Your Debian queue daemon