"Backup session failed" and "Unable to load dataclass from sync services"

I don't know what is causing these two errors to show up whenever I plug my iPod Touch in, but now I can't backup my iPod, but strangely it still syncs fine. Under the diagnostics tool, all tests are passed except for the last one in terms of Ports in the iPhone/iPod Connectivity Tests. It says No iPhone or iPod found.

I've had a similar problem but on a Mac. Here's what I just reported to Apple:
1. I plug in my iPod Touch 2G to MacBook Pro running OS 10.6.1.
2. iTunes launches.
3. Error message appears: "itunes was unable to load dataclass information from SYnc Services. Reconnect or try again later." I hit ok.
4. Another error message launches: "AppleMobileDeviceHelper quit unexpectedly." I hit ignore.
5. iPod syncs.
So the support article regarding the error message on Windows doesn't help me. The iPod seems to be synchronizing all right, but it's annoying getting the error messages. Any ideas, anyone?

Similar Messages

  • "iTunes was unable to load dataclass from Sync Services"

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    I've had a similar problem but on a Mac. Here's what I just reported to Apple:
    1. I plug in my iPod Touch 2G to MacBook Pro running OS 10.6.1.
    2. iTunes launches.
    3. Error message appears: "itunes was unable to load dataclass information from SYnc Services. Reconnect or try again later." I hit ok.
    4. Another error message launches: "AppleMobileDeviceHelper quit unexpectedly." I hit ignore.
    5. iPod syncs.
    So the support article regarding the error message on Windows doesn't help me. The iPod seems to be synchronizing all right, but it's annoying getting the error messages. Any ideas, anyone?

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    Doublechecking ... you've also worked through the following document?
    iTunes for Windows: "Unable to load data class" or "Unable to load provider data" sync services alert

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    http://support.apple.com/kb/TS2690

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    Hi all,
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    Doublechecking ... you've also worked through the following document?
    iTunes for Windows: "Unable to load data class" or "Unable to load provider data" sync services alert

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  • TS2690 How Do I Get Itunes To Stop Saying Unable To Load Data Class Sync Services ?

    Someone Help

    Try this previous discussion.
    iTunes for Windows: "Unable to load data class" or "Unable to load provider data" sync services alert

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    Try:
    iTunes for Windows: "Unable to load data class" or "Unable to load provider data" sync services alert
    "load data class"

  • ERROR MESSAGE "UNABLE TO PROVIDE DATA FROM SYNC SERVICES" ???

    i HAVE RECEIVED THIS ERROR MESSAGE. wHAT DO I DO?

    I'd try the following troubleshooting document:
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    Hey troyboi12345,
    Thanks for using Apple Support Communities.
    To troubleshoot this issue, follow this article.
    iTunes for Windows: "Unable to load data class" or "Unable to load provider data" sync services alert
    http://support.apple.com/kb/ts2690
    Have a nice day,
    Mario

  • I can't transfer music to my ipod touch and a window pops up saying that iTunes was unable to load data class information from Sync Services.

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    http://support.apple.com/kb/TS2690
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  • I have an ipod touch 5th gen and when connected to itunes i get a message saying itunes was unable to load data class information from sync services. reconnect or try again later. anyone got any ideas? i've tried most things on most forums but still no jo

    i have an ipod touch 5th gen and when connected to itunes i get a message saying itunes was unable to load data class information from sync services. reconnect or try again later. anyone got any ideas? i've tried most things on most forums but still no joy

    Try here:
    iTunes for Windows: "Unable to load data class" or "Unable to load provider data" sync services alert
    If not successful see the previous discussion on the right side of this page with the green checkmark.

  • Slow iTunes and "iTunes was unable to load data class information from sync services"

    My iTunes is always slow and becomes unrespondsive most of the time.  Also when i plug in myiPod touch 4g it says "iTunes was unable to load data class information from sync services"

    Refer to this article:
    iTunes for Windows: "Unable to load data class" or "Unable to load provider data" sync services alert
    http://support.apple.com/kb/TS2690

  • HT1386 When I try to sync my ipod it comes up with a message saying "iTunes was unable to load data class information from Sync Services. Reconnect or try again later". I have reconnected and tried later numerous times! Has anyone else had this problem?

    When I try to sync my iPod touch it comes up with a message saying "iTunes was unable to load data class information from Sync Services. Reconnect or try again later". I have reconnected and tried again later numerous times and it hasn't worked! Has anybody else had this problem and knows how to fix it??? Help me!

    Try here:
    iTunes for Windows: "Unable to load data class" or "Unable to load provider data" sync services alert
    If not successful see the previous discussion on the right side of this page with the green checkmark.

  • Cant put pdfs or music on.the message i get when itunes comes up is "iTunes was unable to load data class information from sync services.reconnect or try again later." and its just my itouch i tried another one and was able to put songs and pdfs on it...

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    Try here:
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    If not successful see the previous discussion on the right side of this page with the green checkmark.

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