Previous 1 2 Next 25 Replies Latest reply: Jan 26, 2010 12:57 PM by Patt Meterson
iijaymacii Level 1 Level 1 (0 points)
So I installed iTunes 9 on my MBP running Snow Leopard, and when I go into Activity Monitor, under the CPU tab, in the "kind" column it clearly singles out iTunes as the ONLY app not running in 64-bit. Now doing a brief search the only discussion of a 64-bit app seems to be a Windows vers. No way would APPLE write a 64-bit vers for windows w/o writing one for their own OS, RIGHT!?!?! I installed iTunes using "Software Update" under the apple menu. I assume it would give me the best option (64 bit vs 32 bit) if there were in fact 2 versions available for Mac. I am confused, can someone clear this up?

MBP, Mac OS X (10.6)
  • varjak paw Level 10 Level 10 (169,830 points)
    iTunes is not 64-bit even for Windows. There's an installer for compatibility with the 64-bit version of Windows Vista, but the application itself is still 32-bit.

    Having iTunes as a 64-bit application would gain nothing, so I doubt that it's a high priority for Apple.
  • George Jimenez Level 1 Level 1 (5 points)
    Hey Guys sorry to interupt but is there any way to get itunes whatever version and quicktime what ever version to work with Win XP 64 bit.. and not garbage vista? Just wondering if anyone has run into this problem... I knew i hate windows but this seriously blows...

  • venomousbeavers Level 1 Level 1 (0 points)
    I just tried to install 9 on my 64 bit XP using this guy's old instructions and failed miserably.
  • Mark Mckaye Level 1 Level 1 (5 points)
    Yeah, I'm having the same problem. I get a "IpodService Module (64-bit) has encountered a problem and needs to close" error message. Any work arounds? It just wont finish installing. I'd really hate to have to install XP 32 just for iTunes...not worth it. If it works on Vista x64 is it really that much harder to make it work on XP x64??
  • oklibrarian Level 1 Level 1 (0 points)
    Mark, it's not just you! I followed the instructions at with several previous upgrades, which worked like a charm except for a near-bricking scare at the last firmware upgrade that I was able to fix with my husband's 32-bit system. last night, I got this exact error as well. I really don't want to have to move my library to our 32-bit machine and kick my hubby off every time I need to sync, but if there's no workaround, that may be what I have to do. I don't know if I'm angrier at apple for not making clear on the iphone box or documentation this issue with XP64 and not going to the bother of making itunes play nicely, microsoft for creating this version of XP. or the person who built my PC who extolled the virtues of XP64 in the first place. thank goodness I have another computer, or I'd REALLY be SOL.
  • Mark Mckaye Level 1 Level 1 (5 points)
    Well, at the moment I'm also following the discussion on

    where they've come up with a workaround but it disables the ability of itunes to sync with an Ipod, which is pretty important for me.

    At the moment, I'm just running itunes 8. XP x32 can't use all the RAM I need for video and photoediting so I'm stuck with x64 unless I want to move to Vista which won't happen. If early reviews of 7 are accurate I will probably move to that after they work out the initial bugs that always come with a new microsoft OS.
  • Broken Consort Level 1 Level 1 (0 points)
    Same here, all the way around. iTunes that won't sync is practically useless.

    Come on, Apple, this really *****. Help!
  • varjak paw Level 10 Level 10 (169,830 points)
    iTunes is not and never has been supported in Windows XP 64-bit, and probably never will be. You will not get any help from Apple on this issue. Sorry, but if you must attempt to run iTunes on an unsupported OS, you're on your own.

    Good luck.
  • AlectheLad Level 1 Level 1 (0 points)
    That's a real helpful answer. "Sorry that you have spent over a thousand dollars on Apple's products, but because Apple doesn't want to spend the extra time (what would it take, a day maybe?) you are SOL." I've always loved those useless responses. I use XP 64-Bit out of necessity, not out of choice. Between Vista, 7, and XP, it still runs the smoothest, and works the best. Until iTunes 9.0 it was relatively simple to run it. Just follow that guide mentioned earlier (which only had you delete the useless launch condition that says it has to be Widows Vista, for what reason I shall never understand), and run a few extra, simple programs). After the new release, they even screwed that up for us. I just think it is a shame, that a company has made such a choice. As computers get more powerful, this is going to become more and more of an issue. Not facing that will only anger the customers in the long run.
  • tommarkel Level 1 Level 1 (0 points)
    Having iTunes as a 64-bit application would allow iTunes to use the available memory on 64 bit Vista or Windows 7. 32bit applications and OSes can only address 2-3 GB. As a 64bit app iTunes would be able to run more smoothly and be able to process larger/large iTunes Music Libraries. In general for the typical user 64 bit iTunes would not provide much. However, 64-bit iTunes for iTunes users with large libraries 80k, 120k+ etc... would see a great benefit.
  • Chris CA Level 9 Level 9 (77,650 points)
    64bit Vista Home can only use 4GB RAM max and the motherboard will likely limit it also, regardless of the OS you are using.
    However, 64-bit iTunes for iTunes users with large libraries 80k, 120k+ etc... would see a great benefit

    Not unless the iTunes library file is over the 4GB memory limit.
    If your iTunes library file (not the music folder) is over 4GB, you are not using iTunes. You would have developed your own specialized application to manage every single version of every song ever recorded you have in your library (because the iTunes library file is only ~150MB with 300k songs and a gazillion playlists).
  • varjak paw Level 10 Level 10 (169,830 points)
    It's the only answer anyone here can give when someone demands a response from Apple in this forum. It's the same answer you'd get if you call Apple tech support: iTunes isn't supported on Windows XP 64-bit and Apple cannot provide assistance in getting iTunes to work on XP 64-bit. There may have been workarounds from users that would get iTunes working on XP 64-bit, but Apple clearly isn't going to take that into consideration as they develop new versions of iTunes.

    I believe that Microsoft has already ended support for the latest service packs for XP Pro 64-bit, and they're certainly trying to push people to Vista or Windows 7. So I would strongly doubt that any developer will be releasing new support for XP 64-bit from now on.
  • Mark Mckaye Level 1 Level 1 (5 points)
    Chris CA wrote:
    64bit Vista Home can only use 4GB RAM max and the motherboard will likely limit it also, regardless of the OS you are using.

    That makes no sense as the most basic 64 bit Vista can handle 8GB, 16GB for Home Premium and 128+ for Ultimate. XP x64 can handle around 128GB if anyone really wanted to get it up that high. But, yes, there is little point to having itunes itself as a 64 bit program. It just doesn't need it, what would be nice though is not having to dual-boot just so that we can sync our Ipods. It's worked on everything version 8 and below. I'm sure its not that hard to make 9 work as well if Apple cared enough.
  • Chris CA Level 9 Level 9 (77,650 points)
    That makes no sense

    It make sense but it's simply incorrect.
    Yes, 64bit Visa Home will handle 8 GB as you noted.
    However, the motherbord may also limit the amount of RAM the computer will handle.
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