Time Machine & AirPort Update breaks 10.5.2 Combo Update [Update 2]

About This Mac 9C7010[Update 2] So I recently attempted to re-apply the Mac OS X 10.5.2 Combo update to my MacBook Pro in the hopes that it would fix an annoying little bug that is preventing the contents of my Desktop folder to get dynamically updated. To my surprise, when I went to select my boot volume to install on, the Installer wouldn’t let me continue stating:

“You cannot install Mac OS X Update Combined on this volume. This volume does not meet the requirements for this update.”

At first I thought my OS installation was corrupted, but before I reached for my Leopard install DVD to do a clean install I decided to investigate whether one of the recent Apple software updates may have caused the problem. Read on to see the results of my [...]