Unpacking nvidia-glx-71 (from .../nvidia-glx-71_71.86.04-0ubuntu7_i386.deb) ...
dpkg-divert: `diversion of /usr/lib/libGL.so.1 to /usr/lib/nvidia/libGL.so.1.xlibmesa by nvidia-glx-71' clashes with `diversion of /usr/lib/libGL.so.1 to /usr/lib/fglrx/libGL.so.1.xlibmesa by xorg-driver-fglrx'
dpkg: error processing /var/cache/apt/archives/nvidia-glx-71_71.86.04-0ubuntu7_i386.deb (--unpack):
subprocess pre-installation script returned error exit status 2
Here is the error:
Unpacking nvidia-glx-71 (from .../nvidia- glx-71_ 71.86.04- 0ubuntu7_ i386.deb) ... nvidia/ libGL.so. 1.xlibmesa by nvidia-glx-71' clashes with `diversion of /usr/lib/libGL.so.1 to /usr/lib/ fglrx/libGL. so.1.xlibmesa by xorg-driver-fglrx' apt/archives/ nvidia- glx-71_ 71.86.04- 0ubuntu7_ i386.deb (--unpack):
dpkg-divert: `diversion of /usr/lib/libGL.so.1 to /usr/lib/
dpkg: error processing /var/cache/
subprocess pre-installation script returned error exit status 2