[Adobe Acrobat Reader 9]

This link describes Adobe's Quarterly and Security update madness, er methods.

"Adobe Acrobat and Reader Updating and Deployment Information"

It's a bizarre way to do it but it explains why you need to do base update to quarterly update to security update in that order, and what you need to do to backout in case you are trying to apply the wrong patch to whichever base code you are using.


I don't claim to understand it, I just do what I'm told......