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Oct 30, 2014 6:08 AM in response to Julio.26by alex_h1,Hello Julio.26,
Thanks for using Apple Support Communities.
In order to help resolve this issue where your iTunes application will not launch on your Mac, I'd like you to please follow the directions in the article below to reinstall iTunes.
Download the latest installer
- Open Safari or another web browser.
- Go to the iTunes download webpage and click the Free Download button.
- Make sure that the Mac OS X version is selected on that page.
- Click the Download button to start the download.
- A "Read Before You Install iTunes" file. This document contains the system requirements for the version of iTunes, and may contain other useful information about installing.

- An iTunes.mpkg file (this is the installer file itself).

Install iTunes
- Quit iTunes if it is currently open.
- Double-click the iTunes.mpkg file. This opens the Installer application in Mac OS X.
- Follow the instructions in the installer screens. If all of the installation components appear unchecked and dimmed (unavailable, and therefore not installable), refer to Mac OS X iTunes installer components are disabled.
- After the installation has completed, quit the Installer and restart the computer. The new version of iTunes appears on your hard disk in your Applications folder.
Opening iTunes
It's possible that clicking the iTunes icon in your Dock or double-clicking an iTunes icon on your desktop could open an older version of iTunes. Open iTunes from the Applications folder to be sure you are opening the right version:- Double-click your hard disk.
- Double-click the Applications folder.
- Double-click the iTunes icon.
- Quit iTunes.
- Drag the iTunes icon out of the Dock.
- Drag the iTunes icon from the Applications folder to the Dock.
Troubleshooting iTunes installation on Mac OS X
Take care,
Alex H.
