Itunes refuses to sync my iphone

itunes refuses to sync my iphone 4s with a message "The iphone "Myname" iphone cannot be synced. An unknown error occurred (-50 )". Can anyone explain this message, please?

See this discussion: https://discussions.apple.com/thread/3764139?tstart=0

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    Make sure that the password for the MobileMe account is still entered in on iCal.
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    Attached a screenshot of the diagnostics result:
    And here's the full text for the diagnostics result:
    Microsoft Windows Vista Business Edition Service Pack 2 (Build 6002)
    Hewlett-Packard HP Compaq 6710b (GF938AT#ABA)
    iTunes 10.7.0.21
    QuickTime 7.7.2
    FairPlay 2.2.19
    Apple Application Support 2.2.2
    iPod Updater Library 10.0d2
    CD Driver 2.2.3.0
    CD Driver DLL 2.1.3.1
    Apple Mobile Device 6.0.0.59
    Apple Mobile Device Driver 1.62.0.0
    Bonjour 3.0.0.10 (333.10)
    Gracenote SDK 1.9.6.502
    Gracenote MusicID 1.9.6.115
    Gracenote Submit 1.9.6.143
    Gracenote DSP 1.9.6.45
    iTunes Serial Number 0020A8FC0930EFD0
    Current user is an administrator.
    The current local date and time is 2012-10-08 16:04:28.
    iTunes is not running in safe mode.
    WebKit accelerated compositing is enabled.
    HDCP is not supported.
    Core Media is supported.
    Video Display Information
    Intel Corporation, Mobile Intel(R) 965 Express Chipset Family
    Intel Corporation, Mobile Intel(R) 965 Express Chipset Family
    **** External Plug-ins Information ****
    No external plug-ins installed.
    Genius ID: eab554cbf76eb2e2ec28e21a578ba0f3
    iPodService 10.7.0.21 is currently running.
    iTunesHelper 10.7.0.21 is currently running.
    Apple Mobile Device service 3.3.0.0 is currently running.
    **** Network Connectivity Tests ****
    Network Adapter Information
    Adapter Name:    {B602C183-338A-4993-9F30-1A0C6B9F6D2F}
    Description:    Intel(R) PRO/Wireless 3945ABG Network Connection
    IP Address:    192.168.2.102
    Subnet Mask:    255.255.255.0
    Default Gateway:    192.168.2.1
    DHCP Enabled:    Yes
    DHCP Server:    192.168.2.1
    Lease Obtained:    Mon Oct 08 15:58:39 2012
    Lease Expires:    Tue Oct 09 15:58:39 2012
    DNS Servers:    192.168.2.1
    Adapter Name:    {DBB9A141-05A5-4803-822E-B75F41D89847}
    Description:    Broadcom NetLink (TM) Gigabit Ethernet
    IP Address:    0.0.0.0
    Subnet Mask:    0.0.0.0
    Default Gateway:    0.0.0.0
    DHCP Enabled:    No
    DHCP Server:   
    Lease Obtained:    Thu Jan 01 02:00:00 1970
    Lease Expires:    Thu Jan 01 02:00:00 1970
    DNS Servers:   
    Active Connection:    LAN Connection
    Connected:    Yes
    Online:        Yes
    Using Modem:    No
    Using LAN:    Yes
    Using Proxy:    No
    Firewall Information
    Windows Firewall is on.
    iTunes is enabled in Windows Firewall.
    Connection attempt to Apple web site was unsuccessful.
    The network connection timed out.
    Basic connection to the store failed.
    The network connection timed out.
    Connection attempt to Gracenote server was successful.
    The network connection timed out.
    iTunes has never successfully accessed the iTunes Store.
    Please help, thanks.

    Man! thank you so much! After applying that command the problem completely disappeared and now iTunes is working perfectly! I really don't know how to thank you! I have been suffering from this problem since more than a month ago, I even bought new albums and couldn't sync them to my iPhone!
    Not only that, I had also other issues with iTunes like when Windows starts up the "Apple Mobile Device Service" always occupies %50 of the CPU usage, that issue has been resolved also.
    I also had problems with Google Chrome, Google Chrome was not able to open a lot of pages i.e. hotmail.com, 9gag, and sometimes YouTube, but now it's working perfectly! Seriously what kind of magice command is that?!
    But I also was able to recognize what was causing the problem, I'm using the program "Internet Download Manager 5.19", and after I applied that command and restarted my computer, this window appeared:
    First I clicked "Yes" and it asked to reboot the system, after rebooting, all the old problems were back, so I recognized that IDM is what was causing the problem, so I applied the command once again, restarted my computer, and this time I clicked "No" to this window, and now everything is working just fine.
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    Cheers

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    We iTunes is not syncing with my iphone 3g in 64-bit Windows 7, how can I fix this? observation (AMD Turion X2 Dual-Core 4GB Ram ATI Radeon). Thanks for the attention of everyone.
    null

    not just not sync it does not recognize the windows itunes recognizes not only the most work when he wants ¬ ¬

  • IOS 7.1, iTunes 11.1 Syncing Issues (iPhone 4S, Macbook 2009)

    Hi,
    Ever since I updated my iPhone to iOS 7, I have not been able to sync it with my Macbook. It never appears under the "Devices" tab in iTunes. My dad synced his iPhone 3GS to my computer for as long as he had that phone, without a hitch, but when he upgraded to an iPhone 5S, it would not sync properly either. This leads me to believe it is a bug within iTunes on the computer. Also, when I connect my iPhone, it incessantly pops up the message, "Do you trust this computer?", to which I always choose "Trust". I have used my iPhone as a personal hotspot via USB cable before, but it never had any issues with syncing until updating to iOS 7 and iTunes 11.1.
    Any thoughts on possible solutions? Let me know if you need any more information.

    Okay, I think I have the problem fixed now.  I did some further searching and came upon the following article:
    http://forums.ilounge.com/itunes-related-mac-pc-applications/269550-stopping-not -enough-free-space-sync-messages.html
    It in turn has a link to the following Apple support page:
    http://support.apple.com/kb/HT1451
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    Later,
    Scott

  • ITunes refusing to sync (wrongly thinks it is over capacity) after iOS5 update

    After updating my iPhone 3GS to iOS5, I started running into a problem (actually many problems like broken 3G internet but not directly related and I fixed those).
    What lead to my current sync problem was initially a "An error occurred while restoring this iPhone. (-34)" infinite loop, described in other posts here as a common issue after iOS upgrades going back years (good job Apple). Out of frustration and to get out of it I ended up deleting my backup, which solved the loop but has now left me unable to sync.
    According to iTunes, my phone has no music on it, but in fact it has 22 GB of content (out of 28 capacity). I figured since it thinks the phone is empty I'd just resync everything (a very long process, but until I do it I won't be able to sync at all) but after applying my selection for synching (specific playlists, 128 kbps AAC encoding, etc) iTunes fails to sync and tells me my selections require another 15 GB of space, even though the capacity bar for my selection says 22 out of 28 GB used (which is exactly what the bar said before I updated to iOS 5). What these numbers suggest to me is that even though iTunes doesn't recognize my music as still being on my phone, the sync process itself does and is trying to copy 21 GB of data into 6 GB of free space, resulting in the -15 GB error).
    Can I make it recognize those files as already being there (to save myself having to copy them again) and if not how can I have iTunes clear files it doesn't report as being present? Preferably without wiping everything else that's on my phone, such as text message history etc.

    Hi mforsayeth!
    Here is an article that can help you address this issue:
    iOS: "Not enough free space" alert when trying to sync
    http://support.apple.com/kb/ts1503
    Thanks for being a part of the Apple Support Communities!
    Cheers,
    Braden

  • ITunes will not sync my iPhone.

    Up until recent I was able to sync my iPhone 3G successfully.
    Lately, I have been getting the following error message: "iTunes cannot sync my phone because the iPod Photo Cache folder cannot be located."
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    Can someone please advise?
    Thanks!

    The photo cache folder is where the computer stores the iPhone optimised images which transfer to the iPhone for viewing in the Photo's App. They are not the originals, but a reduced quality version.
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