IPhone sync problem Windows 7 64 bit

I have a PC running Windows 7 64 bit. I get error messages nearly every time I try to sync my iPhone 4. I have tried uninstalling and reinstalling iTunes 64 bit, latest version, but this does not solve the problem. iTunes is timing out my phone and will not sync. Any solutions? Am getting weary of going through an hour of this every day!
When my iPhone appears at all, I get a dialog box saying that another device has been synced to this computer. I am asked to restore from backup or install as a new device. Neither one works.
When/if iTunes does recognize myi iPhone, I get the error message "the iPhone [my phone name] cannot be synced. An error occurred while writing to the device.
My email and apps that come with the phone work OK, but any optional apps I installed will not open on the iPhone.
Please help.

For the record, I then followed the suggestion of MarcDCMB in https://discussions.apple.com/thread/4291206 of just manually restarting the Apple Mobile Device service in Windows services.msc once each time after starting iTunes and the service no longer hogs CPU after that service restart. Not too painful as a work-around, and apparently an effective one, but clearly not a solution to the problem. Again, as above, all the other solutions didn't work for me and I have no conflicting software as far as I can tell. So you'd have to say this Apple's problem.
Also FTR, I am still on the 5.2.0.6 version of the Apple Mobile Device Support MSI and I don't know if that is relevant to this work-around working but my sense is that it is NOT relevant. I'll report back on this thread if I re-upgrade and the problem returns in spite of the service-restart approach.

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greg,
This article may help with your blue screens when you are trying to sync photos:
http://docs.info.apple.com/article.html?artnum=306048
Also, you can only sync to one computer at a time. Therefore, you will not be able to use the iPhone with 3 different libraries without erasing what's on the iPhone when you sync it with a new computer. You can find more information about syncing in this article:
http://docs.info.apple.com/article.html?path=iTunesWin/7.3/en/2626win.html
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http://docs.info.apple.com/article.html?artnum=93366
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Upon upgrading to iTunes 7.4 I was unable to sync my Outlook calendar or contacts to the iPhone. Called Apple Support that they seemed to know nothing about this problem general problem despite all of the discussions on this and many other tech. boards.
After being told remove and reinstall iTunes and Outlook, set-up a new user account, etc... (none of which worked) I finally concluded that perhaps the .pst file being used by outlook was simply incompatible with iTunes for some reason (e.g. unsupported recurring calendar items).
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This was so annoying for me that I'd be happy to help someone complete this simple task if they need help. < Edited by Host, for your protection, no personal information please. >

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Step one worked for me!
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Message was edited by: yorkshiredavid

yup what? I asked a question...

IPhone sync problem

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http://support.apple.com/kb/ht1385
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IPhone sync problem Windows 7 64 bit

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