Still Running OS X Yosemite? Beware, iTunes 12.8.1 Breaks Safari

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Original poster
Apr 12, 2001
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Apple this week released iTunes 12.8.1 for OS X Yosemite up to macOS High Sierra. The minor update resolves an issue that prevented iTunes from streaming media to third-party AirPlay speakers, and contains other minor improvements.


However, anyone running OS X Yosemite 10.10.5 specifically should avoid updating to iTunes 12.8.1 for now, as users across the MacRumors Forums, Twitter, Reddit, and Stack Exchange report that the update somehow breaks Safari 10.1.2, the latest version of the browser for OS X Yosemite.

After updating to iTunes 12.8.1, some users have encountered the following error message when opening Safari on OS X Yosemite:
Safari cannot be opened because of a problem.

Check with the developer to make sure Safari works with this version of Mac OS X. You may have to reinstall the application. Be sure to sure to install any available updates for the application and Mac OS X.
One user on Stack Exchange believes that the iTunes 12.8.1 update may update the MobileDevice.framework in /System/Library/PrivateFrameworks/ to a version incompatible with Safari 10.1.2, but the cause is not entirely clear. We've flagged the issue with Apple and asked if and when a fix will be available.

In the meantime, workarounds include using an alternative browser such as Firefox or upgrading to a newer macOS version -- of course, those still using OS X Yosemite likely don't want to or can't upgrade. Updating to iTunes 12.9 is not possible on OS X Yosemite, as that version is only compatible with macOS Mojave.

Update - How to Fix

Some users have been able to fix Safari by opening the Finder app, clicking on Go > Go to Folder... in the top menu bar, typing in /System/Library/PrivateFrameworks/ and dragging MobileDevice.framework to the Trash.

Article Link: Still Running OS X Yosemite? Beware, iTunes 12.8.1 Breaks Safari
 

tywebb13

macrumors 68020
Apr 21, 2012
2,465
855
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Kimba

macrumors member
Sep 22, 2009
41
8
Ventura County, California
Did Apple pull this update? I saw the update last night (December 13) but didn't install it. Tonight, I saw the badge was still there indicating an update but when I opened up the App Store and clicked Updates it disappeared! (See the screenshot below.)
Screen Shot 2018-12-14 at 11.25.26 PM.png


Please note I'm running High Sierra 10.13.6.
 
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justperry

macrumors G4
Aug 10, 2007
10,454
5,832
I'm a rolling stone.
I wish there were a solution.

There is help, I know 100% sure lots of people help you out here, including me, BUT...

You should start fresh again instead of complaining and pointing fingers, you are a newbie and should act responsible and and accountable for your mistake not to have a backup.
Your files/work should still be there as long as you didn't wipe your disk, reinstalling the OS version you had prior to updating should leave your personal data on your disk, a reinstall does not wipe your data as long as you don't partition/formatted the disk.
 
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Scerby

macrumors newbie
Sep 7, 2014
20
12
Reinstalling the OsX is not necessary!!
I had the same problem with Safari yesterday... After 2 hours of finding solution (safe boot, combo update etc.) I've just completely deleted the file "MobileDevice". The path to this file is in Safari's error message: "Referenced from: /System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice"

After deleting this file (on your own risk) Safari successfully opened with the last session, all bookmarks etc.

I recommend to move this file to another place or just rename it!
 
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pika2000

Suspended
Jun 22, 2007
5,587
4,893
What on EARTH is Federighi getting paid for? Ever since Bertrand Serle and Scott Forstal left Apple, and Craig took over, Apple software has been plagued with one bug or critical software flaw after another.
Correct me if I’m wrong, but Apple only supports the current and -1 release of means Mojave and High Sierra. This is affecting Yosemite, released in 2014.

If you want a desktop OS with extended support lifecycle, then use Windows 10 enterprise. Even each version of the regular Windows 10 Home releases is only supported for about 2 years.
 
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Hawkeyepilo

macrumors newbie
Dec 15, 2018
1
0
Reinstalling the OsX is not necessary!!
I had the same problem with Safari yesterday... After 2 hours of finding solution (safe boot, combo update etc.) I've just completely deleted the file "MobileDevice". The path to this file is in Safari's error message: "Referenced from: /System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice"

After deleting this file (on your own risk) Safari successfully opened with the last session, all bookmarks etc.
I tried this and it worked for me. Have you seen any side effects of this? Thank for the help!
 
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Scientifichick

macrumors newbie
Dec 15, 2018
1
0
Reinstalling the OsX is not necessary!!
I had the same problem with Safari yesterday... After 2 hours of finding solution (safe boot, combo update etc.) I've just completely deleted the file "MobileDevice". The path to this file is in Safari's error message: "Referenced from: /System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice"

After deleting this file (on your own risk) Safari successfully opened with the last session, all bookmarks etc.
Thanks for this work around! I deleted this file and my Safari is back to working like normal. I am running OsX Yosemite 10.10.5 and haven't upgraded to Mojave yet, gotta do the back up first.
 
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Linda25g

macrumors newbie
Dec 15, 2018
3
1
Reinstalling the OsX is not necessary!!
I had the same problem with Safari yesterday... After 2 hours of finding solution (safe boot, combo update etc.) I've just completely deleted the file "MobileDevice". The path to this file is in Safari's error message: "Referenced from: /System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice"

After deleting this file (on your own risk) Safari successfully opened with the last session, all bookmarks etc.
I'm not very tech but there is no private frameworks folder in my library
 
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flygbuss

macrumors 6502a
Jul 22, 2018
634
998
Stockholm, Sweden
Correct me if I’m wrong, but Apple only supports the current and -1 release of means Mojave and High Sierra. This is affecting Yosemite, released in 2014.

If you want a desktop OS with extended support lifecycle, then use Windows 10 enterprise. Even each version of the regular Windows 10 Home releases is only supported for about 2 years.
I think Sierra is also still provided with security updates. El Capitan received updates until Mojave was released.

Yosemite was released more the 4 years ago. Even if you upgrade to El Capitan now you’ll get security updates from this fall.
[doublepost=1544880030][/doublepost]
Does anyone else get tired of being an unregistered beta testers for a trillion dollar company?
Also, apple provides regulary updates and new OSs’ for free. So you’ll get new features and functionality without paying anything.
 
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Infinite Vortex

macrumors 6502
Mar 6, 2015
360
593
Correct me if I’m wrong, but Apple only supports the current and -1 release of means Mojave and High Sierra. This is affecting Yosemite, released in 2014.
Well, while I might agree with the sentiment of what you're saying you're wrong. If Apple are going to not check a software update against all the OS versions it will install on they should narrow down the OS versions it will install and/or update on. Period! If you make anything install on Yosemite you're saying it will work. This is Apple's bad.
 
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flygbuss

macrumors 6502a
Jul 22, 2018
634
998
Stockholm, Sweden
Well, while I might agree with the sentiment of what you're saying you're wrong. If Apple are going to not check a software update against all the OS versions it will install on they should narrow down the OS versions it will install and/or update on. Period! If you make anything install on Yosemite you're saying it will work. This is Apple's bad.
Fair enough.
They shouldn’t have provided the update for Yosemite if it’s not compatible.
 
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davejayirl

macrumors newbie
Dec 15, 2018
1
0
Reinstalling the OsX is not necessary!!
I had the same problem with Safari yesterday... After 2 hours of finding solution (safe boot, combo update etc.) I've just completely deleted the file "MobileDevice". The path to this file is in Safari's error message: "Referenced from: /System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice"

After deleting this file (on your own risk) Safari successfully opened with the last session, all bookmarks etc.
I can confirm that works, as does renaming the MobileDevice file.
 
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bms204

macrumors newbie
Dec 15, 2018
2
3
Thanks for this work around! I deleted this file and my Safari is back to working like normal. I am running OsX Yosemite 10.10.5 and haven't upgraded to Mojave yet, gotta do the back up first.
Would you be willing to do a step by step instruction guide for how you did this? Im excellent at following directions, but terrible at anything beyond the basic use of a Macbook. If so, thank you in advance!!!
 
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Claire B-I

macrumors newbie
Dec 15, 2018
1
0
jacksonville
Thanks for this work around! I deleted this file and my Safari is back to working like normal. I am running OsX Yosemite 10.10.5 and haven't upgraded to Mojave yet, gotta do the back up first.
I can't find this file path in my finder..." /System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice"

Can you tell me how to access it? I also searched for a MobileDevice and nothing pulled up. Any assistance would be greatly appreciated!
[doublepost=1544882011][/doublepost]
I can confirm that works, as does renaming the MobileDevice file.
Where do you go on the Mac to find the Private Frameworks? Do you just find this in the "Finder" by searching top right corner? When I did this nothing came up? thoughts?
 
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4jasontv

macrumors 68020
Jul 31, 2011
2,162
1,981
Also, apple provides regulary updates and new OSs’ for free. So you’ll get new features and functionality without paying anything.
Hmmm? I pay for my OS updates upfront when I buy a Mac or iOS device. The OS and its updates are bundled in with the cost of the device. That’s why Apple’s terms state it can only be installed on Apple hardware when it (clearly) can be installed on custom hardware.
 
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