When I start iTunes I get the following message. "A required iTunes component is not installed. Please repair or reinstall iTunes (-42404)" I have installed the latest version of iTunes but still get this message. Can anyone help.

When I start iTunes I get the following message. "A required iTunes component is not installed. Please repair or reinstall iTunes (-42404)". I have installed the latest version of iTunes but still get this message. Can anyone help?

Hello mustangcim243,
iTunes has various components bundled with it that it requires for general usage. I advise that we completely remove iTunes and all of these related components, verify that they have been removed, then reinstall. To do so, please follow the steps in this article:
Removing and reinstalling iTunes, QuickTime, and other software components for Windows Vista or Windows 7
http://support.apple.com/kb/HT1923
Note: it is important to remove the 7 components in order. Uninstalling these components in a different order, or only uninstalling some of these components may have unintended affects.
If the above does not resolve your issue, I recommend we reset the SC Info folder:
iTunes repeatedly prompts to authorize computer to play iTunes Store purchases
http://support.apple.com/kb/TS1389
(See Step 4: Remove the SC Info folder)
Thanks,
Matt M.

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