iTunes 11.1.4 freezes after connecting iDevices

Fwiw after a rebuild of my iTunes Library (Windows 7), I'm now able to Sync my iPhone 6 without crashing. I never did have to reset my phone, though I did try most if not all of the suggestions prior to the rebuild so perhaps it wasn't the rebuild alone which helped in my case. I know this thread is more Mac focused but I thought I'd share this anyway as it appears other Windows users are looking for answers.

As another data point, syncing my phone in iTunes 12.0.1.26 to my Macbook Pro (OS X 10.9.5) to a new library (had never synced to it before) did not have any problems at all.

How do you rebuild your iTunes library using Windows without losing your music?

I now have the same issue with itunes freezing when connect my iphone 5s, still running ios 6, to itunes on my windows 7 PC. Was working before I followed a link to load icloud application to my PC. That did not work, and itunes freezes when trying to use. I uninstalled the icloud app, but itunes continues to freeze when the iphone is connected. Seems like icloud did something to cause this problem. Does anyone know how to fix this problem for windows 7 users? I saw the rebuild the itunes library option, but I am not sure exactly how to do that.

Thanks

Same issue for me. Is this some kind of plot against Microsoft?

I deleted this sync services (I actually cut the folder "local" from within sync services and moved it elsewhere for safekeeping). I then rebooted the computer and then I could plug in my iphone4 without locking up itunes. Thanks for the help!

Used on latest version as of Dec 26/14 (12.0.1.26).

Windows 7 home prememium, 64-bit.

How were you able to delete the synch service to perform this fix?

I navigated (in windows) to (user)>app data>roaming>apple computer>sync services. User is the name of your user account in windows. It may be owner or your name or something else. It's the same as the user you click on when turning on your computer to start windows. If you don't see app data, you'll need to click around on the menu (file...edit...etc) to find folder options, choose the last tab and find the place to click a radio button to show hidden files and folders. Once you are in sync services, there is a folder called local. I click on it once to highlight it, pressed buttons ctrl and x to cut it and then ctrl and v to paste to desktop. This deletes it but saves it elsewhere in case things are so royally screwed up you need to put it back. Then I rebooted the computer (restart from the start button menu). Then after turning it on again I opened itunes, gave it time to load, and then plugged the phone in. It worked and has worked several times since yesterday including after a reboot. I hope the instructions aren't to basic - I'm used to dealing with my mom. I had to send her a photo of my iPad with the home button circled because she couldn't find it on her own iPad...

I really appreciate your help here. I'm unable to access sync service from the path you've given. I'm using a new Levono PC computer using Windows 8.

Hey Deafhaddock. I just used Apple's instructions: iTunes: How to re-create your iTunes library and playlists - Apple Support

I didn't lose music or playlists. I didn't have any podcasts.

Thanks dugshnay. I was able to add some music without freeze-up after going into Safe Mode, but some of the albums I tried to add still caused the ITunes to freeze. Not perfect, but definitely better!

Hi Trig thanks for the help but when i got into app data>roaming>apple computer there was no sync services?
i just had itunes,logs, mobile sync, prefernces and sync notifier?

Any help greatly appreciated

Thanks

This is what my folder looks like. Have you synced to your user account?

Troubleshooting Sync Services on Windows with Microsoft Outlook 2003, Outlook 2007, or Outlook 2010 - Apple Support

Try out the "reset sync services" bit from this link. If everything is saved in the cloud for you, don't worry about backing up.

If you decide to uninstall itunes, follow the exact order of steps 9google it), and itunes isn't first (go figure).

Have you tried an itunes repair? Download the latest version (I go straight to support.apple.com/downloads because the update facility within itunes doesn't always tell you there is an update. Other hairpulling events led to that revelation.) then run the install program. If it's an update, it will say installing, if it's not, it will ask if you want to repair (or uninstall I think. I had such a bad experience uninstalling once that I don't think I will ever attempt it again. I will reformat windows first, that's how bad it was.) ***If you uninstall itunes, deauthorize all the accounts associated with it first through the store tab up top!!**

I hope something works for you soon! The other thing you could try if the above doesn't work is to open another user account on your computer, open itunes, and try syncing there (you'll have to point it to your current itunes library). Of course, itunes will try to erase everything because you've synced with a different itunes so: 1. in preferences tick the box that says "prevent i-things from syncing automatically", 2. Use ifunbox to delete 3 key files so itunes thinks your phone is new and you've never synced it before (there are several tutorials available for that and the program is free).

Thank you so much, I've been trying to fix this for months and its working straight away 😀

On Windows I managed to fix it by explicitly running the installer as administrator. Apparently if you don't, you will get iTunes installed (since you'll get the rights request later), but lots of prerequisites are not installed.

So i uninstalled and reinstalled as Administrator, and it works now.

I had the same problem ie iTunes froze when I connected my iPhone on Windows 7.

Add to this, the folder 'C:\....\AppData\Roaming\Apple Computer\SyncServices' was NOT present on my computer.

This is what RESOLVED it.

1. Uninstall all Apple softwares (anything in Control panel which has Publisher = Apple)

2. Goto 'C:\...\AppData\Roaming' and rename the 'Apple Computer' folder to say 'donotuse_Apple Computer'

3. Goto 'C:\Program Files XX' and rename any folders starting with 'Apple' as in step 2.

4. Install iTunes in Administrator mode (Right click the exe file and select 'Run as administrator).

5. Do NOT run iTunes as part of installation. (ie untick the box where it says something like 'Open iTunes after installation')

6. Open 'iTunes' as Administrator for the first time (ie find 'iTunes' in your programs, right click and select 'Run as administrator')

This RESOLVED the issue for me and a friend too!

Hope this helps someone else.

-Atul