How do i remove google chrome which is not starting anymore?

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http://askubuntu.com – I have tried to make google chrome run with root user using this tutorial but now simply google chrome won't start If i try from terminal with google-chrome i get root@ubuntu:~# google-chrome Segmentation fault (core dumped) if i try to uninstall from the software center, it simply hangs when i click on installed softare, i tried apt-get purge but with no success, what do you suggest? (HowTos)