Most times when you install a driver it will create a System Restore Point. If you're nervous, you can always make one before installing :) 

restore points is the best feature ever invented IMO :) It has saved my ass more than once :)

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You just can't put the words "Poserites" and "happy" in the same sentence - didn't you know that? LaurieA
  Using Poser since 2002. Currently at Version 11.1 - Win 10.