Quick fix for “One or more files in the Adobe Application Support folder, necessary for running Photoshop, are missing. Please run the Photoshop installer and re-install Photoshop” error in Photoshop CC and CS, all versions. Not likely to affect most people, but posted here in case someone is looking for a solution.
With OS X 10.9.5 Apple made some significant changes to the way Gatekeeper operates, which effectively broke many pre-Maverick (10.9.x) apps, preventing them from running. Here’s a solution.
A considerable number of people upgrading to OS X Mountain Lion (10.8) were surprised to learn that according to the OS X installer their hard drive was all of a sudden faulty and, according to Apple technicians, in need of replacement. The truth is the Mountain Lion installer has a bug that crashes the install process and then blames the hardware as faulty. Your hardware is likely fine, and here is how to recover your user data.