found a related topic on github with workaround that solved this problem. https://github.com/ValveSoftware/steam-for-linux/issues/4200
run steam from terminal or edit shortcut with inserting the following: LD_PRELOAD='/usr/$LIB/libstdc++.so.6' DISPLAY=:0 steam -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1486648 Title: package steam 1:1.0.0.48-1ubuntu1 failed to install/upgrade: el subproceso script pre-installation nuevo devolvió el código de salida de error 30 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/steam/+bug/1486648/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
