Quicktime 7.5.5 free download - Apple Compatibility Update for QuickTime 7.5.5, Bigasoft QuickTime Converter, QuickTime 6.5.2 Reinstaller, and many more programs. Global Nav Open Menu Global Nav Close Menu Apple Shopping Bag +. So, to reiterate, I cannot get iTunes to boot up. Running a lot better, but I have been running into smaller scale issues as the aformentioned. Some quirky things were going on so I backed it up and reloaded the OS. I recently reloaded my mac with MAC OS X 10.5.8. For information on upgrading your computer.
I receive the following message when trying to open Itunes 'iTunes requires QuickTime 7.5.5 or later.
