Do I have to uninstall the CS4 software before updating the NVIDIA driver and reinstall CS4 after?

I have just installed CS4 on Windows 7 and I get the message that I need to update NVIDIA driver.
Is it really neccassary to update driver even if I have no problems using Photoshop?
Do I have to uninstall the CS4 software before updating the NVIDIA  driver and reinstall CS4 afterwards or is there a way around it?
Here are the technical details:
Processor speed: 3325 MHz
Video Card Vendor: NVIDIA Corporation
Video Card Renderer: GeForce GT 220/PCI/SSE2
OpenGL Drawing: Enabled.
Video Card: NVIDIA GeForce GT 220
Video Mode: 1680 x 1050 x 4294967296 colors
Video Card Driver: nvd3dum.dll,nvwgf2um.dll,nvwgf2um.dll
Driver Version: 8.15.11.8627
Built-in memory: 3063 MB
Free memory: 1981 MB
Memory available to Photoshop: 1643 MB
Memory used by Photoshop: 60 %
Image cache levels: 4

I have never had to reinstall any program for a video driver.
Now, check out the instructions for your particular nVidia driver, and the exact steps can differ. Just did my Quadro FX-4500 and it was just an install over the older driver. However, looking at another nVidia card's driver, and there were 3-4 settings in the nVidia console, that had to be reset BEFORE installing that driver. Did not affect me, but would have been a different operation for the next guy, with a different nVidia card. nVidia makes it easy with the necessary instructions - follow those to the letter, or issues can arise and the entire driver can get hosed. Things could be a simple as download, and execute, to having to do several things before you execute.
Good luck,
Hunt

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