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ituneshelper was not installed correctly, please reinstall itunes

22490 Views 1 Reply Latest reply: Dec 30, 2009 8:06 PM by b noir RSS
rmstark220 Calculating status...
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Dec 27, 2009 12:51 PM
trying to install itunes i have unstalled adn reinstalled several times but keep getting this message when i try to open itunes

ituneshelper was not installed correctly, please reinstall itunes
error 7

please help
Windows Vista
  • b noir Level 9 Level 9 (71,990 points)
    ituneshelper was not installed correctly, please reinstall itunes
    error 7

    The error 7 suggests you might also be getting a problem with your Apple Application Support as well as iTunes.

    So let's try uninstalling both iTunes and Apple Application Suppport this time. When we reinstall iTunes, that should reinstall Apple Application Support as well. We'll take a few additional explicit precautions along the way too. Best to print these instructions out, because at one stage of proceedings you won't be able to use a web browser.


    Download and save a fresh iTunes installer to your hard drive. (Don't run the install on line and don't start the iTunes install just yet.)

    Now, quit QuickTime (if you have that open) and Safari 4.0.4 (if you have that installed and open). Both applications use Apple Application Support, and they will interfere with the uninstall if you have them open.

    *Uninstall phase*

    Head into your "Uninstall a Program" control panel. Uninstall iTunes. Uninstall Apple Application Support.

    (From this point on until we reinstall Apple Application Support, neither QuickTime nor Safari 4.0.4 will be able to run.)

    Next we'll remove any leftover program files and folders.

    (1) Open "Local Disk (C:)" or whichever drive your program files are stored on.
    (2) Open the "Program Files" folder.
    (3) Right-click on the iTunes folder (if it still exists) and select "Delete".
    (4) Open the "Common files" folder.
    (5) Open the "Apple" folder.
    (6) Right-click on the Apple Application Support folder (if it still exists) and select "Delete".

    Now empty your Recycle Bin and restart the PC.

    *Reinstall Phase*

    After the PC restarts, do not open any other applications. Disconnect from your network and/or the internet. Switch off all your security software (firewall, antivirus and antispyware).

    Now start the install by doubleclicking the iTunesSetup.exe file you downloaded earlier.

    Reenable all security software prior to reconnecting to your network and/or the internet.

    Did the install seem to go through okay? If so, does iTunes start launching properly again?
    Lenovo t61 laptop, Windows XP Pro, various ipod models


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