OK thanks Salvatore! I am now back in business with # aptitude install libssl1.0.0/unstable The following packages will be DOWNGRADED: libssl1.0.0 dpkg: warning: downgrading libssl1.0.0:i386 from 1.0.2~beta3-1 to 1.0.1j-1 # aptitude forbid-version libssl1.0.0