Originally Posted by AaronP
This problem is caused when an old version of libGLcore.so.1 is installed, usually because one was installed to an incorrect location. Did you previously install the driver via the .run package? If so, please run "nvidia-installer --uninstall" and then reinstall the Ubuntu driver packages.
I've tried so many times with the .run package, tried also with the Ubuntu 180's aptitude installer.
I'll try that now. Thanks!