How can I repair my itunes application so it will actually open?

Please help me!
I've reached the end of my tether, have done full uninstall (6 times now) , widows clean up, MSCONFIG, full virus scan (using McAfee 10.007- no virus found) removed every instance of itunes or QT from my pc and rebooted.
The error I have without exception is as soon as the installation finishes, or if i subsequently click the icon, Windows instantly says "itunes has encountered an error and needs to close, sorry for inconvenience". I've read the error reporting text and don't understand it.
Problem also extends to not being able to even view a download option if i go to the standalone page, just a white box on left of spec info (also get a plugin error on the main QT page) also I do not see the SC dat file supposed to be under the SC Info path you recommend. (hidden files are shown)
Really sick of this and feel like i'll never be able to play music or add new stuff to my ipod again!
ipod video 30MB   Windows XP   DELL Dimension 3100

i found i had almost exactly the same problem as you. one evening my itunes just wouldn't start up, it told me that 'itunes is unable to open because some of it's required files are missing, please re-install itunes'. now, i personally know a lot on the subject of computers and how they opperate, i had the built the computer that i encoutered the problem on myself. as soon as i came across the problem, i immediatly thought that i would be able to simply uninstall itunes and quicktime, and then re-install.
after doing this, nothing changed, i went straight to 'add or remove programs' in windows, and tried to remove itunes from there. it wouldn't uninstall. i racked my brains over the problem, until i found this article, which provided a great deal of help. for anyone who later has this problem, go and download this freeware from microsoft: http://support.microsoft.com/default.aspx?scid=kb;en-us;290301 this program will immediatly remove any unwanted programs with ease, whether they are running or not. after using this program to uninstall itunes, re-install, and your problem should be solved.
thanks. Alex Dove
Custom built pc   Windows XP  
Custom built pc   Windows XP  

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