Itunes will not open without re-booting pc following recent "upgrade". How can this be fixed?

I do the download for the new version, it goes smooth, and then when I try to open it up, it pops up in my Task Manager for a moment and then disappears. No error messages, just disappears.
hmmmm. can you check something for me? (this might give us a heads up on the nature of the itunes problem.)
try launching your QuickTime. does it:
(a) launch perfectly fine?
(b) fail to launch with an error message? (if so, what does it say?)
(c) exhibit other peculiar behavior? (if so, could you describe it for us?)

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hey guys,
ever since I've reinstalled my pc with windows xp pro sp3, my itunes will not open at all.
every time i click on itunes.exe it does not do anything. It does give me the hourglass icon as if my pc is working on it. but then it disappears without any itunes response.
to fix this issue, I have tried any possible method that i could find on the internet. even called the support center but they were not able to help me either.
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I installed any older versions,( btw 7 does not work either)but after updating it *(no effect)*
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and every time I shut down my pc, I get the windows message that itunes is shutting down.
If you have any other suggestions, please be so kind help me.
this is driving me nuts. It's been going on for two months now.
Kind regards,
Bart
Message was edited by: Pleinvrees

Pleinvrees
I am not sure if I have this right from all those posts.
When you try to start iTunes, there is no error message and you can see iTunes.exe persisting on the processes tab of the task manager.
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http://support.apple.com/kb/TS1776?viewlocale=en_US
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Oh, you do have the C2D! That's great!
I'm no technical expert, I just like to help out whenever or wherever I can so... I don't know if this can help you, but let me tell you about how I got my Snow Leopard to run in 64 bit mode. When I got my (late 2008) iMac it was running in 32 bit mode under Tiger (2.4 GHz/Core 2 Duo). I eventually upgraded to Snow Leopard & it was running in 32 bit mode (by default) w/1 GB RAM.
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I hope that something I've mentioned can help you achieve your overall goal.
Finally, it's hard to jump onto a train, a large cat, or a surfboard that's already moving. But don't be surprised when someone a fraction of your age shows you how to.
Best Regards,
mm~

Itunes will not open without re-booting pc following recent "upgrade". How can this be fixed?

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