About installing amd catalyst

i am facing little problem about installing amd catalyst drive,it coun’t support for my system.
and now crashing opengl
i already install fglrx but driver manager shows no properitary driver are in use
i have tried to install manualy but some error aout here
i follow this method but https://help.ubuntu.com/community/BinaryDriverHowto/ATI
the i used this ppa
sudo add-apt-repository ppa:makson96/fglrx
sudo apt-get update
sudo apt-get upgrade
sudo apt-get install fglrx-legac