sudo apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue [Y/n]? y
Setting up nvidia-current (304.64-0ubuntu1~quantal~xup1) ...
update-alternatives: error: alternative path /usr/lib/nvidia-current/ld.so.conf doesn't exist
dpkg: error processing nvidia-current (--configure):
 subprocess installed post-installation script returned error exit status 2
Errors were encountered while processing:
 nvidia-current
E: Sub-process /usr/bin/dpkg returned an error code (1)