How to downgrade iTunes 12 to 11.4?

Its clearly something outside Itunes that it's blocking Itunes 11 to work. I used my time machine backup to get back everything Itunes related, but I got the same message: "A required iTunes component is not installed. Please reinstall iTunes (-42401)."

Apple should receive a Nobel on making things unpleasant for its users...

Got mine fixed! The instructions here are for iTunes 11 to 10, but it worked for 12 back to 11.4 on Mavericks. Very happy camper.

http://www.pcadvisor.co.uk/news/audio/3415214/how-downgrade-itunes-11-itunes-10- in-mac-os-x/

Looks it's going to work! haven't find appzapper yet, i'll try it later! thanks!

1) Open Terminal and run:

sudo rm -rf /Applications/iTunes.app

This will delete the iTunes 12 application.

2) If your Music Library is in its default place, also in the terminal:

  open ~/Music/iTunes

3) Using Time Machine restore the following files:

• Album Artwork <– Folder
• iTunes Library
• iTunes Library Extras.itdb
• iTunes Library Genius.itdb
• iTunes Library.xml
• iTunes Library.itl
• iTunes Music Library.xml
• Previous iTunes Libraries <– Folder

No need to replace your iTunes Music Folder. You may not need to replace all these files but it can’t hurt.

4) Back in the terminal:

open /System/Library/PrivateFrameworks

Use Time Machine again to restore the following files:

• AirTrafficHost.framework
• CoreADI.framework
• CoreFP.framework
• DeviceLink.framework
• iTunesAccess.framework
• MobileDevice.framework

5) Using Time Machine restore iTunes 11.4

This solved it for me without having to install any programs! Thanks

In case you wish to downgrade, here is the iTunes 11.4 DMG. Thanks to The iPhone Wiki for collecting the download links.

Many thanks to agoraphonics and bnbayer! i downgrade from 12.0.1 back to 10.7 ok.

Thanks for posting this. It was easy to do and it worked. I'm back on iTunes 11.4 under Mavericks.

isn't there a way to downgrade without these apps, just using terminal or so?

this new iTunes 12, just like the iTunes coming with iOS 8.1 just breaks airplay with my DENON devices, even with their latest firmware updates. not going to move any other devices beyond iOS 7 or mavericks this way - got too many DENONs in my house - was a perfect choice with iOS 7 and mavericks, though...

Yes, I followed the post by Julien Vieillefont above and it worked easily.

Your instruction was easy to follow. Downgraded back to iTunes 11 yesterday a.m. This morning the iTunes 12 red icon was back in my dock! When I looked at "Info" for the app it showed that iTunes 12 had installed late yesterday afternoon! Any idea how that happened? I did not install any upgrades. I am going to downgrade iTunes 11 again. Thanks.

Apple is insistent about their "upgrades".

Go to System Preferences then select App Store (NOTE: you're not actually in App Store - you're still in System Preferences)

Make sure "Install app updates" isn't checked. I don't know if Apple would consider ITunes a "system data file", but I've unchecked that too.

Pre-Mavericks there was an option in Software Update to "ignore update" but it's gone. As I said, Apple is insistent and doesn't want you to be able to ignore what it's trying to make you use.

Thank you. I knew there was someplace to do exactly that. I hadn't poked around enough. I initially looked for it under Software Update. I too feel exactly the same about Apple telling me what's good for me. I am no stranger to Apple and Macs. My first was a PowerBook 150. Seems like for every step forward Apple takes in the user control experience it takes two steps back .

One other warning: some (all?) of your iTunes preferences will be lost in the "upgrade" - restore process. I just realised yesterday that every CD I've ripped in the past month since the iTunes 12 debacle was ripped to AAC rather than ALAC.

Sigh. 101 CDs to redo in lossless format. Fortunately it seems most of the edits to metadata I did are preserved, and maybe some of the artwork.