Apple has introduced there latest update in iTunes via 12.1 version. It features new widgets of iTunes for Notification Centre in OS X Yosemite and there is improvement in the performance of iOS devices while syncing.
The latest update includes a 64-bit application pinned on 64-bit versions of Windows 8, Windows 7 and Windows Vista along with other bug fixes.
However, it has been reported that latest version is creating troubles for the some users.
A remedial measure to be taken for such instances is to downgrade iTunes 12.1 to the earlier version 12.0.1.
If you’re looking forward to enable the latest version, here is how you can do it:
How to downgrade iTunes 12.1 to 12.0.1 on Windows:
Step-1: Uninstall iTunes 12.1 completely including all its reliant such as Apple Application Support, Apple Mobile Device Support and iCloud. Otherwise, it would interrupt the downgrade process.
Step-2: Change the extension on your iTunes Library.itl file to iTunes Library.bak. You can get this file from:
Step-3: Reboot your Windows machine.
Step-4: Install iTunes 12.0.1 after the successful reboot.
Or, iTunes 12.0.1 [Windows 64-bit]
How to downgrade iTunes 12.1 to 12.0.1 on Mac:
Step-1: Download Pacifist from Pacifist.com and install it.
Step-2: Quit iTunes, remove all its traces using Activity Monitor.
Step-3: Download iTunes 12.0.1 for OS X and mount it but don't install it.
Step-4: Launch Pacifist, which you downloaded earlier.
Step-5: In the left side bar, click on Open package>> iTunes under Device.
Select Install iTunes and then Open in the bottom right corner.
Step-6: Click on Contents of Install iTunes then select Install from the top bar. Follow the on screen instructions until installation begins.
Step-7: After a few minutes, you should see a box saying Application already exists. Check Don't ask again for this installation box and click on Replace.
Step-8: Wait for some time until the process is completed.
You should now be running the older iTunes version 12.0.1. It's worth downgrading to iTunes 12.0.1 if you are a jailbreak lover.
Now, you can make use of iTunes 12.0.1 version. If you’ve opted for a jailbreak, then it’s better to downgrade to iTunes 12.0.1.