Different errors after installing new graphics driver

Hey so after download and installing the most recent nvidia driver for NVIDIA GeForce 8600 GT (175.19) I keep receiving errors. Here are 3 that I have received so far
http://img75.imageshack.us/my.php?image=26123750nz6.png
http://img403.imageshack.us/my.php?image=24561324rj1.png
http://img254.imageshack.us/my.php?image=79534997di9.png

I was also wondering when I install new gfxs driver am I sopose to uninstall my current driver then install the newer one? Cause I did not maybe this is causing the problem? So I am wondering what is causing this problem.