The iPhone cannot be synced. iTunes crashing.

There seems to be a whole “bunch of stuff” going on with my iMac 21” i3, and I just wanted to check in to see if anyone had experienced anything similar or had any advice.
First, when syncing my iPhone 4 last week I got this message:
"The iPhone cannot be synced. The disk could not be read from or written to."
iTunes at the same time was freezing up, so I forced quit (silly perhaps).
When I restarted iTunes I got this:
“iTunes Library does not appear to be a valid iTunes library file. iTunes has created a new iTunes library and renamed the file to "iTunes Library(Damaged)"
Some research some frustration and some time got my iTunes back up and running.
I was still getting the "The iPhone cannot be synced. The disk could not be read from or written to." When attempting to sync by iPhone.
Finally I found a fix that worked online (not syncing photos!).
So that should be the end of the story.
But since then iTunes has been running SLLLLOOOOOWW, as has my system as a whole.
Then last night:
"The iPhone cannot be synced. The disk could not be read from or written to."
Followed by:
“iTunes Library does not appear to be a valid iTunes library file. iTunes has created a new iTunes library and renamed the file to "iTunes Library(Damaged)"
So something be wack!
The only thing I could think of is I got an email from Apple telling me they needed to replace my hard drive free of charge as they were found to be faulty.
I’ve booked in with the Apple Store to have the drive replaced. But could it be the problem? Or do I have something else happening here.

Please post questions regarding unreleased software in the Developer's forum using your developer account credentials.
Stedman

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I keep getting an error message when I try to sync my iPhone 5 to my Mac in iTunes. It says "The iphone cannot be synced. An unknown error occurred (1723).

I keep getting an error message when I try to sync my iPhone 5 to my Mac in iTunes. It says "The iphone cannot be synced. An unknown error occurred (1723).

Hello Chad176
If you are constantly Authorizing your Apple ID, the article below will assist with getting that resolved for you.
iTunes repeatedly prompts to authorize computer to play iTunes Store purchases
http://support.apple.com/kb/TS1389
Thanks for using Apple Support Communities.
Regards,
-Norm G.

Why does itunes give an error saying " The Iphone cannot be synced. An unknown error occured (-50). Everytime I try to sync my phone?

Why does itunes give an error saying " The Iphone cannot be synced. An unknown error occured (-50)". Everytime I try to sync my phone? I have another Iphone that syncs with the same itunes account and it's working fine.

What operating system do you have on your computer?

The IPhone cannot be synced. The disk could not be read from or written to. THis appears after everything has synced but Photos. If you delete all the photos, the IPhone syncs fine.

So heres my problem... If I try to sync my iPhone or IPad to our computer I get an error that reads "The IPhone cannot be synced. The disk could not be read from or written to." The error comes at the start of syncing the photos. I have removed the photos from my iPhone it syncs fine, so the problem has to be with the photo library, RIGHT? The problem is iI have never had this issue before. I have my iTunes and iPhoto on a external hard drive and this has been fine in the past, but now i can not even view my photos on my iTV... ANY HELP???

Since you noticed this problem, have you shut down (powered off) and restarted your iMac?
iPhoto does the syncing for photos. Are you able to run iPhoto manually (start it up from the Dock) and access your photo library?

"The iPhone cannot be synced. The required disk cannot be found."

I have been having this problems since I got my iphone last year. Early on the phone would sync after 2-3 tries but as of the last 2-3 months I have been only able to sync it 2-3 times even after trying all the solutions presented by the troubleshooting and reading forum posts that seem to have a similar or near similar problem.
The first message I get after having the phone sync is
"The iPhone cannot be synced. The required disk cannot be found."
After itunes attempts to sync again I get a different message that says
"The iPhone cannot be synced. An error occurred while writing to the device."
Ive ran the diagnostic and this is what I got:
Microsoft Windows XP Professional Service Pack 2 (Build 2600)
EVGA__ 132-YW-E179-FTW
iTunes 9.1.0.79
QuickTime 7.6.6
FairPlay 1.7.16
Apple Application Support 1.2.1
iPod Updater Library 9.0d11
CD Driver 2.2.0.1
CD Driver DLL 2.1.1.1
Apple Mobile Device 3.0.0.102
Apple Mobile Device Driver 1.46.0.0
Bonjour 2.0.0.34 (214.3)
iTunes Serial Number 5DD5EE0A2E39800E
Current user is an administrator.
The current local date and time is 2010-04-21 16:55:29.
iTunes is not running in safe mode.
Video Display Information
NVIDIA GeForce GTX 260
** External Plug-ins Information **
No external plug-ins installed.
The drive E: Memorex 52MAX 325216AJv2 Rev RW$5 is a USB 2 device.
** Network Connectivity Tests **
Network Adapter Information
Adapter Name: {5EC41707-0E19-4943-9EBF-169BD17E249E}
Description: NVIDIA nForce Networking Controller - Packet Scheduler Miniport
IP Address: 192.168.15.4
Subnet Mask: 255.255.255.0
Default Gateway: 192.168.15.1
DHCP Enabled: Yes
DHCP Server: 192.168.15.1
Lease Obtained: Wed Apr 21 16:35:40 2010
Lease Expires: Wed Apr 21 17:35:40 2010
DNS Servers: 192.168.15.1
192.168.15.1
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 successful.
Connection attempt to iTunes Store was successful.
Secure connection attempt to iTunes Store was successful.
Secure connection attempt to iPhone activation server was successful.
Last successful store access was 2010-04-21 16:15:50.
** CD/DVD Drive Tests **
No drivers in LowerFilters.
UpperFilters: GEARAspiWDM (2.2.0.1),
D: SONY DVD RW DRU-V200A, Rev 1.60
Drive is empty.
D: SONY DVD RW DRU-V200A, Rev 1.60
Drive is empty.
E: Memorex 52MAX 325216AJv2, Rev RW$5
Data or MP3 CD in drive.
Found 1 songs on CD, playing time 255:57 on CDROM media.
Track 1, start time 00:02:00
Get drive speed succeeded.
The drive CDR speeds are: 4.
The drive CDRW speeds are: 4.
** iPod/iPhone Connectivity Tests **
iPodService 9.1.0.79 is currently running.
iTunesHelper 9.1.0.79 is currently running.
Apple Mobile Device service 3.0.0.0 is currently running.
Universal Serial Bus Controllers:
Standard OpenHCD USB Host Controller. Device is working properly.
Standard Enhanced PCI to USB Host Controller. Device is working properly.
FireWire (IEEE 1394) Host Controllers:
Texas Instruments OHCI Compliant IEEE 1394 Host Controller. Device is working properly.
Most Recent Device Not Currently Connected:
iPod nano (4th Generation) running firmware version 1.0.4
Serial Number: YM9023TZ5BF
iPhone 3GS running firmware version 3.1.3
Serial Number: 879230PW3NP
** iPhone/iPod Touch Sync Tests **
Sync tests completed successfully.
If anyone has a possible solution please let me know as its getting very frustrating not being able to update my phone.
Message was edited by: powerweb11

I had the same problem and fixed it.
"The iPhone cannot be synced. An error occurred while writing to the device."
I think it is caused by downloading too many apps, or large apps, and then when syncing over USB it doesn't recognise the iPhone and you get "The iPhone cannot be synced. An error occurred while writing to the device."
To fix this:
1. Ensure iTunes is closed & iPhone is disconnected but keep USB cable connected to iPhone
2. hold down CTRL + SHIFT on your keyboard
3. connect USB cable to PC and wait. If iTunes doesn't start for a minute then start it (keeping hold of CTRL + SHIFT)
4. if it wont let you start iTunes or all your icons are selected then release CTRL + SHIFT
5. when iTunes starts it may ask you about safe mode or something similar, say yes
6. Your iPhone should list as a device as normal, click sync.
It will then start the sync as normal and you may find it will transfer only one or two apps and you may get the dreaded error message again as I did. However, persist with the above steps and eventually it sync'd all my apps with no error message. Because I have only just done this I haven't downloaded any more apps so it might be a frequent thing but better than the error message.

The iPhone cannot be synced. The disk could not be read or written to.

+The iPhone cannot be synced. The disk could not be read or written to.+
That's the message I get when I sync my iPhone now after flawless syncing since the second day they came on sale. I restarted, I repaired permissions. The iPhone is only half full. I have tried a couple of different usb to iPhone chords. After trouble shooting I have found that if I don't sync iPhoto it syncs everything else just fine. I have deleted the iPhoto prefs. I have reinstalled iLife. I have reinstalled iTunes and deleted the iTunes prefs. I have gotten a brand new iPhone from the Apple store. I have backed up and deleted every photo in iPhoto and it still gets the error message.
Starting to get frustrated.

Unfortunately, I'm an Outlook junkie, and I need to sync my iPhone (1st Gen) with Outlook. I had no problems under XP. I even synced my device to Vista Business running out of Boot Camp and via Fusion.
When I upgraded to Vista Ultimate and Office 2007 (freshly installed) my iPhone refused to sync anything but my Contacts, Calendar, and Bookmarks. It didn't matter whether I was running under Fusion or natively via Boot Camp -- I would get a variety of errors, but mostly "the disk could not be read or written to" wtih the occassional "unknown error" thrown in to make my life even more miserable.
It would occasionally sync an audio or video file, but 99 times out of 100 it would die in the middle of the sync, trash something on the phone, and force me to restore it.
Restoration, though, was not possible under Windows. I would try repeatedly to restore the phone from Vista, with no success. In fact, I tried to install the updated 2.0 firmware last week, which "bricked" the phone for about 4 hours. The only way that I could restore the device was under OS X. Naturally, the error returned the first time I tried to sync on Windows again.
I was almost to the point of declaring the iPhone toasted, smashing the overpriced little trinket that's caused me so much agony into iPieces and then dropping it into an envelope and mailing it to Steve J. with a letter stating that a $600.00+ "revoltionary internet device" shouldn't croak 1 year after purchase.
<RANT>
I mean think about it -- getting bent over on pricing 2 months after purchase, Apple releasing a 3G version barely one year later (and for significantly lower price than the original) and having to sign a 2 year contract with the baby Satan that is AT&T isn't exactly what I would call a GOOD experience. Not to mention the activation fiasco, etc.
</RANT>
At any rate, all the Windows jokes aside, I believe I've finally solved my problem and it may help the others having this same problem on dual-core or hyperthreading processors.
With iTunes running, go to the Task Manager, select the Processes tab and find the iTunes processes (AppleMobileDeviceHelper.exe, iTunes.exe, and iTunesHelper.exe). Right-click on each and select "Set Affinity..." from the context menu.
In the "Processor Affinity" dialog, you should see both CPU 0 and CPU 1 checked, which is the default. UN-CHECK CPU 1, so that only CPU 0 is checked, then click "OK".
You may need to retstart iTunes and/or the services, but I didn't need to do that (and technically, you shouldn't have to do that).
Try your sync again. I'm syncing flawlessly again after that little tweak. Perhaps this is something odd about iTunes under Windows on multi-core or hyperthreading processors (read: race condition or something similar)?
I'm keeping my fingers crossed that this will continue to work, otherwise I go the smash-and-mail-to-Steve route.

I'm getting an error that says "The iPhone "------" cannot be synced. You do not have enough access privileges for this operation." Everything will sync but the music. I am an administrator and all the files are organized. How do I sync my phone?

I cannot sync my iTunes library or any playlists to my iPhone due to a message that reads "The iPhone "-----" cannot be synced. You do not have enough access priviledges for this operation. I also have music on my iPhone that will not sync to my iTunes library. Any way to sync the two together?

I hope this helps. Not the easiest fix, but I suspect it will solve the problem.
http://answers.microsoft.com/en-us/windows/forum/windows_7-windows_programs/itun es-privileges-error-with-windows-7/d616e06f-ecdd-4d34-8d7a-a9936a91ad6e

Error duing iphone sync: The iphone cannot be synced. An unknown error occurred (-50).

I am trying to Sync my 3GS with itunes, and I get the error message: The iphone cannot be synced. An unknown error occurred (-50).
Latest rev of itunes installed.
Any suggestions on a fix?
Starkw1

I'm having the same issue. After updating all iOS devices to iOS 6, then updating all software on my iMac to the latest versions (including iPhoto 9.4), everthing was working as it should. I was able to sync all of my devices (New iPad, iPod Touch, iPhone4) with the iMac early this morning.
Subsequently, I opened iPhoto for the first time since installing 9.4, a window popped up informing me that my photo library had to be converted to work with the iPhoto 9.4. I clicked okay, and let the conversion process run its course.
About ten minutes later, I attempted to once again sync my iPad with the iMac. The sync process would run for a few seconds, then stop with a window popping up saying "The iPad cannot be synced. An unknown error occurred (1140)". I then attempted to sync the iPod and my iPhone, with the same results.
After consulting the discussion forums, it looked like lots of other users are encountering the same problem, and that it was somehow related to the new iPhoto. Someone suggested turning off syncing photos from iPhoto, which I did. With photo syncing turned off, the rest of the sync program now runs without a problem.
I've submitted a bug report to Apple. Hopefully, enough other users have done the same, and Apple will fix whatever it is that's causing the problem.

The iPhone cannot be synced. An unknown error occurred (13213)

I "upgraded" to iTunes 8 and iPhone firmware 2.1 this morning. On the first attempt to sync I get the message "The iPhone cannot be synced. An unknown error occured (13213)" which is not very helpful.
I unplugged the phone from the computer, restarted the phone, closed and restarted iTunes, and the problem still occurs.
How do I fix this?

I had the same error - I was getting it dozens of times after upgrading to iTunes 8.0, installing iPhone 2.1, *+and enabling Genius+*. I have not upgraded QuickTime to 7.5.5 yet.
*Update: it seems Genius is indeed to blame. People posting in this thread http://discussions.apple.com/thread.jspa?threadID=1706466&tstart=60 say turning off Genius resolves the problem for them: "Go to iTunes 8 Menu Bar. Store ->Turn off Genius"*
Specifically it happened on the first sync after I'd turned on Genius, during the part of the sync while songs were being updated on my iPhone. I had about 300 songs to update (because of smart playlist updates) and it seemed to be happening on some but not all of the songs. I clicked OK to the error a dozen or three times, and finally canceled the sync with over 100 songs left to sync.
I followed the process doc007 described: "Close iTunes 8. Plug the phone/touch back in (which should start itunes and turn on the device) I think that was it."
That did not resolve it for me. I still had about 114 music files left to sync, and I was still getting a few more 13213 errors.
I'm going to feel silly if this is completely explained in another thread, but I'm still clicking OK to the errors for another few minutes....Ok, now it has finished, and it says it synced successfully. And...yup, looks like it did sync successfully. Except for all those 13213's.
Message was edited by: doofusdan

The iphone cannot be synced. An unknown error occurred (13019)

After reading discussions on this error, I found a fix and had to share.
I have the iPhone 3G (16G). I upgraded iTunes and iPhone 3.0 When I tried to sync, it gave me the error "The iphone cannot be synced. An unknown error occurred 13019"
I unchecked the Music> Sync Music option. It gave me the "Are you sure you do not want to sync music?" I chose the Don't Sync Music button and the sync was successful.
I then checked Music> Sync Music option and was able to successfully load all of my music back... granted, it took time to reload.
I'm no expert, but since it worked for me... I figured it was worth posting.

I have the same iphone and I have not been able to access my music in weeks. I keep getting that error 13019 when I would sync up.
Thank you for taking the time to post this fix! It definitely works. It does take a while after you unsync the music to put it back on but at least I have my music again!!!

The iPhone cannot by synced. An unknown error occurred (-4).

I'm trying to sync my iPhone with iTunes.
I keep getting the error message - The iPhone cannot by synced. An unknown error occurred (-4).
Using:
iTunes 12.1.1
iPhone 5s iOS 8.2
Desktop PC, Windows 7
I have already tried:
uninstalling iTunes and reinstalling it
resetting iPhone
Anyone know how to resolve this issue?
Please help. Thank you!

Thanks for the reply!
I disabled all antivirus/antispyware and it's still not working. Doesn't sync and same error message received.

The iPhone cannot be synced. An unknown error occurrred (-50)

I upgraded my unibody macbook to OSX Lion, iPhoto to '11 from '09 and iTunes to 10.4. Now, my iPhoto library no longer syncs with my iPhone. It gives error "The iPhone cannot be synced. An unknown error occurrred (-50)".
Any ideas why?

Okay, I looked at the MAC log and found that a daemon was busying up iTunes and my system in excess. The cause was RIM software to support my daughters blackberry. Since she now has the software on her laptop, I deleted mine and that fixed that problem.
Researching other entries in the log pertaining to iTunes, I found that esentually iTunes 10.7 is basically broke. With iTunes 11.0 coming very soon, Apple will not want to worry about any bugs with 10.7.
Consequently, we have to just wait and hope that the iTunes version will be better.

The iphone cannot be synced. An unknown error occured (-50).

I recently Restored my iphone to 4 weeks back (bonehead move that I didn't know would erase all my apps/texts/photos/pretty much everything) and now I'm left trying to sync all my apps again from iTunes. Everytime I try and sync them, i get the error message "The iphone cannot be synced. An unknown error occured (-50)."
What is going on and how can I fix this? Thanks!!

What operating system do you have on your computer?

I went to sync my iPhone 4 as usual and when it got to the end stage of the sync where it sync the photos from iPhoto, I get a message pop up that says, "The iPhone cannot be synced. The required file cannot be found." What do I do?

I went to sync my iPhone 4 as usual with my iTunes account on my MacBook Pro and when it got to the end stage of the sync where it syncs with iPhoto, I get a pop up message that says, "The iPhone cannot be synced. The required file cannot be found." What do I do?

Hi. I am having the same problem.
I have updated iPhone software and carrier settings, OSX Lion on the comp and in step 4 of 4 during photo sync about half way through, the error message comes up and now my pics are gone from the phone. I did empty the cache and the problem still persisted. I changed cables, I restored the phone and synced from the back up and even restored and created a new phone identity, still no love.
I am puzzeled, any suggestions?

Help!: The iphone cannot be synced. You do not have the privilege to make

Help!
I synced my iphone4 to a window PC before i get a mac recently.
So, when i try to sync my iphone 4 to mac.
I was told that "the iphone cannot be synced. You do not have the privilege to make changes".
1. i clicked store> authorize this computer. =failed.
2. restart mac. =failed.
3. reinstalled itunes. = failed.
4. restored iphone4. =failed.
Then,
I do logged in as admin.
I changed all the related folders' sharing/permissions to "read & write" for admin, me and everyone.
But still cannot be snyced for the music and photos.
I hopes that i can get the answer. Thanks.
So, what else can i do?
is there any solution?

other threads have users reporting the same issue. I have a 4s which has been running fine and just this morning has come up with the same error. I suspect some permissioning issue on the phone (just a hunch)

The iPhone cannot be synced. iTunes crashing.

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