Repair steam installlation:
---------------------------
from:
https://www.reddit.com/r/linux_gaming/comments/57clur/cant_run_steam_on_ubuntu_1610/

terminal:
find ~/.steam/root/ ( -name "libgcc_s.so" -o -name "libstdc++.so" -o -name "libxcb.so" ) -print -delete
find ~/.local/share/Steam/ ( -name "libgcc_s.so" -o -name "libstdc++.so" -o -name "libxcb.so" ) -print -delete

Origonal Creation date in Vivaldi: 1 May 2018 @ 21:43