Cannot reinstall Quicktime and upgrade ITunes

My wife and daughter both needed to upgrade itunes but I could not upgrade Quicktime. Someone mentioned you needed to delete quicktime which I did. I have turned off all firewalls and virsus software. When i go to down I get many error messages such as "Local_machine\software\classes\Quicktime\CLSID.
As someone mentioned I went into the registry and added 'Administrators" to the permissions. This process did not work.
Any idea how to get rid of all these"verify key" messages?
Thanks
Bob

pac_80 and Skita,
Well folks, I have spent 4 hours trying to figure this out! I did everything you asked me. I changed the settings under users, I erased all the ipod, itunes, and quicktime files, exactly as instructed.
I went back on, and downloaded quicktime ( one of you suggested just downloading quicKtime separately, but for the life of me, I could not find it) because everytime it wants to downloaded both quicktime and itunes.
I still get the same message:
COULD NOT OPEN KEY
HKEYLOCALMACHINE-\SOFTWARE\CLASSES\QUICKTIME.QUCIKTIME\CLSID
VERIFY THAT YOU HAVE SUFFICIENT ACCESS TO THAT KEY.
One of you gave me a thread to where I go to the registry and change the settings. I tried this but unfortunately there is no way to change it as per the instructions.
In addition, both users are administrators.
I guess I have a few options:
try to find a way to download just quicktime (cannot find the link)
go back into the registry and delete ALL lines with quicktime (not too sure what would happen)
or
give up!
Any other suggestions to help this usually cool under pressure person would be appreciated!
Thanks Bob
Dell Windows XP

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Refer to yhis article:
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http://support.apple.com/kb/HT1926

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I recently had to delete quicktime to install other software for my cell phone. After completeing the download and deciding it unworthy of my attention. I wanted to put quicktime back on. when i go to download the software back on the the computer it says: [quote]The plugin did not initialize properly[/quote]
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I've contacted customer service and they instructed me to delete iTunes and Quicktime and re-download them. I still cannot access iTunes.
thankya kindly,
~$tudmuffin002100

Here's what worked for other users; perhaps it will work for you (I've never had this problem so I can't say for sure):
1) Uninstall QuickTime from the Add/Remove Programs control panel. If you have difficulties, try Microsoft's Installer Cleanup Utility.
2) Clean up the Windows registry with http://www.ccleaner.com/ (freeware)
3) Restart your system.
4) Delete the QuickTime folder
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Hope this helps.

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my brother accidently deleted quicktime off our computer not realising what it was, and now itunes wont work, it says that quicktime cannot be found and so that itunes has to be re-installed. then i somehow re-installed quicktime, however itunes still wouldnt work, and came up with the same message, so i completley deleted quicktime, itunes and everything to do with my ipod, and tryed to re-install it, however it wouldnt re-install, and so i dont no what to do! can someone please help, because i donnt have a clue what to do now!!! please!!

it is unanswered because the comment hasnt solved my
question
Hi helpimstuck!
It could be that when your original quicktime was removed it was not removed completely. I would try to install QT again then look for it in Add/Remove programmes. Try to repair if you get given the option, or if not try removing again.
Then, download the standalone QT to your desktop. Switch off antivirus and spy software and try a fresh install of QT. See if it works then.
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Hi all -
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Message was edited by: MikeDeezy

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http://support.apple.com/kb/HT1589
Message was edited by: polydorus

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My oh my, slightly exceeds your lifespan.. three score and 10 or if you are strong four score..81,000 years hmmm..
Are you using Lion.. 10.7.5 to be exact .. you are subject to a serious bug, created by Apple and not fixed before release to all computers.. great the level of testing Apple does now.. think of yourself as a beta tester..
Here is the patch to update to the patch.
http://support.apple.com/kb/DL1599
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I strongly recommend at the moment getting another software backup program.. superduper, CCC, chronosync.. something designed to create a single image.. and not self corrupt.

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Hi Janice,
You are posting in an iMac forum, you may want to repost in the Mac Pro forum.
Roger

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Cannot reinstall Quicktime and upgrade ITunes

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