1 2 3 4 5 | LANGUAGE=C sudo dpkg -i /var/cache/apt/archives/libqtkeychain0_0.5_amd64.deb dpkg: error processing archive /var/cache/apt/archives/libqtkeychain0_0.5_amd64.deb (--install): libqtkeychain0:amd64 0.5 (Multi-Arch: no) is not co-installable with libqtkeychain0 which has multiple installed instances Errors were encountered while processing: /var/cache/apt/archives/libqtkeychain0_0.5_amd64.deb |