ITunes is extremly slow on Windows 7 64 bit

Hi there
I have major issues with iTunes 10 on my Windows 7 Ultimate 64 bit. All my music is on a Windows Home Server, worked perfectly with older versions of iTunes.
When i start iTunes, it uses 1 core in the cpu for 100% for a long time, and is completly unresponsive for >10 minutes.
Windows Resource Monitor says iTunes is 'not responding' after >15 minutes, suddently the cpu usages drop to nothing, and iTunes respondes again.
When i plug in my iPhone 4, and sync's the horror really start.
The backup of the phone takes over 1 hour, and that is EVERY time.
Then it used several hours to figure out which files to sync, again every time.
So the complete sync'ing take way over 3 hours, in iTunes 9, it took seldomly more than 1-2 minutes.
I have tried to uninstall iTunes, clean the computer of iTunes, and install again. No difference.
Has anyone a clue what is wrong?

They're both Autoflow problems.
The fix for the Mac version of the problem, like the Windows Registry edit I linked to earlier, is not an Apple fixe but they are worked on and improved until Apple gets around to releasing its own update.
Ever since Microsoft pulled its uninstaller cleanup utility I've been looking for a solution and one I've found good, so far, is Revo Uninstaller.
It has a free version and a more complete pay version that has a 30 day free trial.
http://www.revouninstaller.com/revouninstaller_freedownload.html
You can do the uninstall manually as well, if you're willing to be careful and patient, and if you use the search box in the right -Search Discussions- you'll find several posts explaining how to do just that.

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