The package probably got corrupted while you were downloading it. To fix this you can run the command: rm /var/cache/apt/archives/nvidia-glx-173_173.14.12-1-0ubuntu4_i386.deb then update again.
The package probably got corrupted while you were downloading it. apt/archives/ nvidia- glx-173_ 173.14. 12-1-0ubuntu4_ i386.deb
To fix this you can run the command:
rm /var/cache/
then update again.