Hi I'm running Debian Unstable Since 2 days I get the following message : # update-menus update-menus: relocation error: update-menus: symbol _ZNSt9basic_iosIcSt11char_traitsIcEE4initEPSt15basic_streambufIcS1_E, version GLIBCPP_3.2 not defined in file libstdc++.so.5 with link time reference Consequently, apt-get dist-upgrade goes wrong ...