Here are instructions on how to disable the Adobe Welcome Screen in Photoshop, Illustrator, and Indesign 2014.2 through to 2015
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.
Do you use Adobe Premier Pro CS5, CS6, or CC on an iMac or Macbook Pro? Have you noticed video rendering takes a really long time? This may be an easy way to fix it, by enabling CUDA hardware acceleration support.