GnuPG signature check failed on valgrind_3.5.0-1~bpo50+1_amd64.changes gpg: Signature made Tue Sep 22 23:51:54 2009 CEST using DSA key ID B0DDAF42 gpg: Can't check signature: public key not found (Exit status 2) valgrind_3.5.0-1~bpo50+1_amd64.changes has bad PGP/GnuPG signature! Removing valgrind_3.5.0-1~bpo50+1_amd64.changes, but keeping its associated files for now. Greetings, Your Debian queue daemon