Cannot sync iphone error (-50)

Cannot sync iphone - please help

Error 13, 14, 35 and 50 (or -50)
These errors are typically resolved by performing one or more of the steps listed below:
Perform USB isolation troubleshooting, including trying a different USB port directly on the computer. See the advanced steps below for USB troubleshooting.
Put a USB 2.0 hub between the device and the computer.
Try a different USB 30-pin dock-connector cable.
Eliminate third-party security software conflicts.
There may be third-party software installed that modifies your default packet size in Windows by inserting one or more TcpWindowSize entries into your registry. Your default packet size being set incorrectly can cause this error. Contact the manufacturer of the software that installed the packet-size modification for assistance. Or, follow this article by Microsoft: How to reset Internet Protocol (TCP/IP) to reset the packet size back to the default for Windows.
Connect your computer directly to your Internet source, bypassing any routers, hubs, or switches. You may need to restart your computer and modem to get online.
Try to restore from another known-good computer and network.
From http://support.apple.com/kb/TS3694#error50.

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Cannot sync iphone. an unkown error has occured (-50)

I cannot sync my iphone 4. I keep getting this error: cannot sync iphone. an unkown error has occured (-50)
Tried a hard restart on the phone and repair/reinstall of itunes. I can backup the iphone, does anyone know how to solve this problem?

Error 13, 14, 35 and 50 (or -50)
These errors are typically resolved by performing one or more of the steps listed below:
Perform USB isolation troubleshooting, including trying a different USB port directly on the computer. See the advanced steps below for USB troubleshooting.
Put a USB 2.0 hub between the device and the computer.
Try a different USB 30-pin dock-connector cable.
Eliminate third-party security software conflicts.
There may be third-party software installed that modifies your default packet size in Windows by inserting one or more TcpWindowSize entries into your registry. Your default packet size being set incorrectly can cause this error. Contact the manufacturer of the software that installed the packet-size modification for assistance. Or, follow this article by Microsoft: How to reset Internet Protocol (TCP/IP) to reset the packet size back to the default for Windows.
Connect your computer directly to your Internet source, bypassing any routers, hubs, or switches. You may need to restart your computer and modem to get online.
Try to restore from another known-good computer and network.

When syncing phone or ipad to mac, I keep getting "cannot sync unknown error occurred (-50) 1726 items What does this mean? What do I do?

when syncing iphone or ipad to imac, I keep getting "cannot sync unknown error occurred (-50) 1726 items " What does this mean? What do I do?

Hello, a couple of old possible fixes...
http://www.edtechhacks.com/2007/12/solved-itunesiphoto-sync-error-50.html
http://reviews.cnet.com/8301-13727_7-10435935-263.html

Cannot sync iphone because file is missing?

cannot sync iphone because file is missing?Anybody have this problem,,iphone 4,, just started doing this when I try sync overthe weekend??thanks

Provide the exact error message.

Updated iTunes yesterday and now cannot sync iPhone 5

updated iTunes yesterday and now cannot sync iPhone 5

Hard to believe an update did this!! I had the exact problem-updated my iPod & iTunes software & iTunes was crashing whenever I hooked up the iPod-"unclicking" all of my purchased music did the trick! THANK YOU EVER SO MUCH FOR THAT TIP-I'M SURE I WOULD'VE STILL BEEN TRYING TO FIGURE OUT THE PROBLEM!!
Wish I hadn't restored factory settings first since I would have at least still had my piles of PURCHASED music on the iPod-I accidentally had ONE purchased song checked off to update the iPod & it crashed all over again-glad it was easy enough to figure out which song wasn't from my cd collection that I uploaded! Does anyone have any idea how this will be handled? It seems that money should be refunded for buying these songs for Apple products that, upon the company's instructions to upgrade, can no longer be played on the hardware they're specifically designed for! Or at least they're hopefully coming up with a new upgrade to solve the problem! Very irritating situation!
PC Windows XP

When i tried to sync my ipod it said "cannot sync. unknown error has occured(-39)

when i tried to sync my ipod it said "cannot sync. unknown error has occured(-39)" how do I fix it??

Are you syncing photos to the ipod? If so, the -39 in this context can sometimes indicate a damaged photo cache. Are you able to sync if you delete your existing photo cache? To find it, see the following document:
iTunes: Understanding the iPod Photo Cache folder

I was downloadin the new software to mi ipod touch 4 gen and it was very slowso i had to cancel the download of the software and i had to synk some stuf but when the synk was done it sed the ipod moyses"s ipod cannot synced anankhown error occurred(13019)

i was downloadin the new software to mi ipod touch 4 gen and it was very slowso i had to cancel the download of the software and i had to synk some stuf but when the synk was done it sed the ipod moyses"s ipod cannot synced anankhown error occurred(13019)

Try:
iTunes: Error 13019 during sync

New Ipad and cannot sync contacts; error message unable to load data class info from sync services; reconnect or try again later

new Ipad and cannot sync contacts; error message on Itunes - unable to load data class info from sync servies; reconnect or try again later

For Windows - look at this.
http://support.apple.com/kb/TS1567?viewlocale=en_US
For Mac - maybe this applies
http://support.apple.com/kb/TS3744
I just picked these out by going to the box to the right called - More like This.

HT201210 says cannot sync iphone - backup is corrupt or not compatable -tells to delete iphone backup. What to do?

says cannot sync iphone - backup is corrupt or not compatable -tells to delete. what should i do. I already uninstalled and reinstalled all apple software and the latest itunes version...to no avail

I have this problem too can somebody please help where are all the apple helpers? This is ridiculous!!!!

I cannot sync iphone 5 tones to phone

I cannot sync iphone 5 tones to phone, the tones are in itunes but they won't sync ??

They are in the tones section of your library?
You see them in the tones tab in itunes ( with your iphone connected)?
You selected the Sync Tones box?
You selected the tones that you wanted?

Iphone 3gs cannot sync internal error occured

My iphone 3gs will not sync
the iphone cannot sync , an internal errored occured is the error message i receive when i try to sync my phone
also says needed files are not found to sync iphone
how do i fix this problem????????????????

Perhaps try the following document:
iTunes: Error 13019 during sync

CANNOT SYNC IPHONE

When I try to sync my Iphone with Itunes, it just shuts down with the error ''Itunes has stopped working'' . My laptop is windows vista and has not synced any iphone before this so dont really know what to do. Any suggestions ?

You don't use iSync to sync the iPhone. iSync is only for syncing non-Apple mobile phones.
You also cannot sync the iPhone via Bluetooth - you must sync the iPhone using iTunes via a USB cable, or over-the-air via MobileMe.
All the information for how to sync the iPhone is in the manual:
http://manuals.info.apple.com/en/iphoneuserguide.pdf
Page 7 onwards.

Cannot Sync Unknown Error -50

OK, here is the issue as concisely as I can put it. I have just updated my iPhone 4 to iOS 7.0.3 and updated iTunes to 11.1.2. Today I downloaded an app from a third party site (reputable) which then opened iTunes and clicked download. I then went to sync my iPhone only to discover I was logged into iTunes as, my Apple ID. Unfortunatly being an early user of iTunes my iTunes and App Store login ID is not my Apple ID. So I logged out of my Apple ID and logged back in using my usual login and password which is the same on my iPhone for iTunes and App Store. I then received a "this iPhone cannot be Synced Unknown Error -50" The app I downloaded appears in each login but the phone stops syncing when it reaches apps.
So should I delete the app from my purchases in my Apple ID login and try again? I have already removed it from my Mobile Apps folder.
And can I get rid of the Apple ID account in iTunes? I have checked purchases in this account and apart from the app I downloaded today ther's nothing in it.
Is there a way to merge the two accounts?
I'm confused.

Hello, a couple of old possible fixes...
http://www.edtechhacks.com/2007/12/solved-itunesiphoto-sync-error-50.html
http://reviews.cnet.com/8301-13727_7-10435935-263.html

Error message - cannot sync -50 error I have the latest Ipod Touch -

I've read all the solutions in this discussion group and as advised I have deleted the ipod iphoto caches I am still getting the error message and cannot sync any photos at all
I have the latest Ipod touch and I also have an iphone and the same issue occurs
I am syncing to iphoto
Any suggestions

Insurance wrote:
Any suggestions
see if those in this thread help http://discussions.apple.com/thread.jspa?messageID=10742190&#10742190.

Cannot sync photos (error -39)

I cannot sync my pictures anymore through ITunes and get an error -39 (on a sidenote, I cannot sync pictures to my Apple TV either). Anyone experience this?

Just started getting the same error. I already had iPhoto 08 installed for several weeks, and only got the iphone last week. Synced fine for the first few days, then suddenly I get this Error -39 every time.
Some clues:
1. The sync progress bar always gets to 'deleting photos from iPhone' when I get this error.
2. The only new photo-related actions prior to seeing this error was to take some photos with the iPhone prior to syncing.
3. The first time I saw this error I had just connected my iPhone to my MBP, and both iPhoto and iTunes fired up. I imported the iPhone pics within iPhoto (and deleted originals). Then I switched back to iTunes to discover this error. Now I get the error every time!!
4. I have deleted all the cam photos on my iPhone (the ones taken by the iPhone), same error.
5. I have deleted the iPhone photos from my iPhoto library, same error.
6. If I turn off iPhoto syncing the iPhone can sync just fine.
I have read somewhere that this error is sometimes caused by photos of the wrong resolution (somehow the iTunes sync process doesn't 'optimise' some photos). I have also read that syncing a Mac with a PC formatted iPod can cause the same error. Neither of these seem to apply to me.

Cannot sync iphone error (-50)

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