GnuPG signature check failed on gtk-sharp2_2.12.9-1~bpo50+1_armel.changes gpg: Signature made Tue Aug 10 16:15:06 2010 CEST using RSA key ID 76E2AC7B gpg: Can't check signature: public key not found (Exit status 2) gtk-sharp2_2.12.9-1~bpo50+1_armel.changes has bad PGP/GnuPG signature! Removing gtk-sharp2_2.12.9-1~bpo50+1_armel.changes, but keeping its associated files for now. Greetings, Your Debian queue daemon