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How To Downgrade To 12.0.1 On Windows

if you have problems with iDFS 14.08.18.0 (you can not run iDFS or get error on start) problem can be in iTunes version. You need downgrade iTunes to 12.0.1

Step 1 : Uninstall iDFS from your PC

Step 2: Completely uninstall iTunes 12.1. You mean all remnants of the software, including Apple Application Support, Apple Mobile Device Support and iCloud. Leaving anything remaining is likely to hinder the process.

Step 3: Next, you’ll be changing the extension on your iTunes Library.itl file to iTunes Library.bak.

On Windows, you’ll find the necessary file in:

C:\Users\[yourname]\Music\iTunes

Step 4: Reboot your machine. This, once again, is a crucial step in achieving a successful downgrade.

Step 5: Finally, install iTunes 12.0.1 (Windows 32-bit / Windows 64-bit).

Step 6: Install iDFS 14.08.18.0