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Can't launch iTunes in 32-bit mode

rockstarjoe

rockstarjoe

macrumors 6502a
Original poster
Jun 2, 2006
876
115
washington dc
Since upgrading to Mavericks, I am no longer able to launch iTunes in 32-bit mode. Anyone else have this issue? To test it, go to your applications folder and right-click on the iTunes application bundle, and select Get Info. Then check the box that says "Open in 32-bit mode". Then try and launch iTunes. I get this message:

"iTunes Requires 64-bit mode" (see attached screen shot)

This is iTunes version 11.1.1 which launches in 32-bit mode fine under 10.8.
 

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  • Screen Shot 2013-10-21 at 10.59.25 AM.png
    Screen Shot 2013-10-21 at 10.59.25 AM.png
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Looks like they dropped the 32bit code tree for the app. Not surprising since they've been selling 64bit computers for a while.
 
Why would they still offer the option for 32-bit mode, I wonder?

I use 32 bit mode because it allows iTunes to use older quicktime codecs.

EDIT - just did a clean install to another drive and had the same issue. Can anyone else out there give it a quick try for me?
 
Last edited:
rockstarjoe said:
Yeah that too! So did you have the same problem on your machine?
Click to expand...

It's not just your machine, I don't think. I am pretty sure it's everyone's. I tried launching it and it wouldn't let me do it in 32-bit mode. There were some songs that need something from QuickTime that isn't available in 64-bit, so now I have to go through and get new versions of those songs.
 
Brad9893 said:
It's not just your machine, I don't think. I am pretty sure it's everyone's. I tried launching it and it wouldn't let me do it in 32-bit mode. There were some songs that need something from QuickTime that isn't available in 64-bit, so now I have to go through and get new versions of those songs.
Click to expand...

That's a shame. Hopefully it is just a bug and will get fixed eventually. Thanks for trying.
 
Has logic pro 9 been updated since the release of Mavericks? That's probably why the 32bit option works.

I'd say its not a bug but an overt decision by Apple to drop 32bit support.
 
maflynn said:
Has logic pro 9 been updated since the release of Mavericks? That's probably why the 32bit option works.

I'd say its not a bug but an overt decision by Apple to drop 32bit support.
Click to expand...

I hear you, but what I'm saying is that iTunes 11.1.1 opens in 32bit mode in 10.8 but not 10.9... so no update there either. Same version.
 
rockstarjoe said:
I hear you, but what I'm saying is that iTunes 11.1.1 opens in 32bit mode in 10.8 but not 10.9... so no update there either. Same version.
Click to expand...

I think iTunes needs something to run in 32 bit that was removed from the operating system, like certain QuickTime codecs. I don't think it's a bug or a problem with iTunes, but a conscious decision made by Apple.
 
Brad9893 said:
I think iTunes needs something to run in 32 bit that was removed from the operating system, like certain QuickTime codecs. I don't think it's a bug or a problem with iTunes, but a conscious decision made by Apple.
Click to expand...
After some thought, Quicktime has to be the issue since it's 64bit only in Mavericks.
 
Crap. I won't be able to play any of my numerous OGG audio files in iTunes now, since the Xiph plugin is 32-bit only. :mad:
 
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