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Fail to Launch iTunes 12.6

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How to Downgrade iTunes 12.6.1 to iTunes 12.6.0 or 12.5?

After upgrading to iTunes 12.6.1, Tune4Mac may fail to convert any of your iTunes files? Don't worry, our developers are working hard to fix this problem. Currently, if you are in urgent need of converting, please try to downgrade your iTunes 12.6.1 to iTunes 12.6.0 or 12.5.

Note: If you have updated to iTunes 12.6.1 but couldn't launch iTunes, please download a zip file through: http://www.tune4mac.com/iTunesFixer.zip. Just unzip it and double-click to run it, and then re-launch iTunes for a try.

Part 1: Please uninstall iTunes 12.6.1 from your Mac

Step 1: Please open the Applications folder and find the iTunes app file (/Applications/iTunes.app). Right-click (or Control-click) on iTunes and select Get Info.

Uninstall iTunes 12.6


Step 2: Locate and click on the padlock icon on the bottom right side of the window and enter your admin password. This is necessary in order to make changes to the app’s permission settings.

Step 3: Please expand the Sharing & Permissions section of the window if it’s not already visible and change the privileges for “everyone” to Read & Write.

Uninstall iTunes

Step 4: Close the Get Info window and try again to drag the iTunes application file to the Trash.

Part 2: Download iTunes 12.6.0 to your Mac

Please download the older version of iTunes through https://www.theiphonewiki.com/wiki/ITunes. Please note that the older version of iTunes may not recognize your iTunes library in iTunes 12.6.1. You need reload the iTunes library.

Part 3: Reload Your iTunes library

Step 1: Please go to your own iTunes Library (your home directory –> Music –> iTunes).

Find iTunes Library


Step 2: Click once on the “iTunes Library.itl” file and then click your cursor into the filename under the icon. Add “.old” as a suffix.

backup iTunes Library

Step 3: Open a folder called “Previous iTunes Libraries” in that same directory.

Find old version iTunes Library

Step 4:The most recent copy of your iTunes Library is the one with the “.itl” suffix. That’s what we want. Duplicate it (select it and choose File –> Duplicate), then drag the duplicate up to the “iTunes” folder one level above.

You can also drag the original and leave the copy behind, of course.

iTunes Library Copy

Step 5: Click on the filename, then click *into* the filename just once, so you can change it’s name. Remove the date stamp so that it just reads “iTunes Library.itl”, then relaunch iTunes.

Mac iTunes Store

Part 4: Stop iTunes Automatic Updates

Launch iTunes, go to menu bar and choose "iTunes -> Preferences -> Advanced". Disable the "Check for new software updates automatically" option and then click "OK" to save the setting.

Stop itunes automatically updating

2) On your Mac, go to System Preferences → App Store. To prevent your Mac from downloading iTunes updates without asking you first, you should uncheck "Download newly available updates in the background" and "Install App Updates".

Uncheck App updates on Mac

From now on, the Mac will notify you when installed apps updates are available but won’t download them automatically in the background unless you tell it to.

Tips: Haven't fixed your problem with those steps? Please feel free to contact our support team for help.

  

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