iTunes Installation Error - error status 1603

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  1. Posts : 7
    Windows 10 Pro
       #1

    iTunes Installation Error - error status 1603


    I just got a new phone, and I was having a problem getting iTunes to recognize it. I was able to sync my old phone and my iPad, but not my new phone. One of the suggestions was to uninstall iTunes and reinstall it -- so I uninstalled it, but now I cannot reinstall it. I downloaded the latest version of iTunes, and when I run the install it fails to install and exits with an "installation error."

    When I look in the event logs, I see:

    Windows Installer installed the product. Product Name: iTunes. Product Version: 12.6.1.25. Product Language: 1033. Manufacturer: Apple Inc.. Installation success or error status: 1603.

    I have tried cleaning up all the loose directories, removing all the other Apple software (except iCloud Settings), restarting a number of times -- still no joy.

    Any thoughts on this?
      My Computer


  2. Posts : 30,117
    Windows 11 Pro x64 Version 23H2
       #2

    Hi bsarte. Welcome to the TenForums @bsarte

    Could you first delete all your temporary files. File Explorer, right click C:, properties, Disk Cleanup. You may also want to clean up system files which should be an option on the following screen.

    Then disable all AV / Security software and proceed with install.


    Ken
      My Computer


  3. Posts : 7
    Windows 10 Pro
    Thread Starter
       #3

    Caledon Ken said:
    Hi bsarte. Welcome to the TenForums @bsarte

    Could you first delete all your temporary files. File Explorer, right click C:, properties, Disk Cleanup. You may also want to clean up system files which should be an option on the following screen.

    Then disable all AV / Security software and proceed with install.


    Ken

    Ken,
    Thank you for the suggestions, still the same error -- and I did the system files, too.
      My Computer


  4. Posts : 30,117
    Windows 11 Pro x64 Version 23H2
       #4

    Honestly, these companies have to make this easier or we are all going to revolt.

    Found this. Has a link to removal steps, which you've likely mastered, and then suggest trying an older version of the install.

    https://discussions.apple.com/docs/DOC-6562#versions

    Ken
      My Computer


  5. Posts : 5,899
    Win 11 Pro (x64) 22H2
       #5

    I just installed the latest version of iTunes the other day (2 days ago) without issue. Works well here. Windows 10 x 64 latest version (1703, Build 15063.296). Non-insiders.

    That said, make sure you get the installer from Apple, and that it's the correct version - there's one for 64-bit and another for 32-bit OS's. However, the site will usually detect your OS and automatically offer the correct anyway. Still...
      My Computers


  6. Posts : 7
    Windows 10 Pro
    Thread Starter
       #6

    Caledon Ken said:
    Honestly, these companies have to make this easier or we are all going to revolt.

    Found this. Has a link to removal steps, which you've likely mastered, and then suggest trying an older version of the install.

    https://discussions.apple.com/docs/DOC-6562#versions

    Ken
    Ken - thanks for that link - installed 12.6.0.95 and it went. Now I am getting an error about a component not being installed when I load it up -- I'll work on that... I think it is the APplication Support modules, they are not installed...
      My Computer


  7. Posts : 30,117
    Windows 11 Pro x64 Version 23H2
       #7

    If you post error I'm sure the forum will provide its input.

    Maybe something you swept up when deleting folders. Think you said you get iCloud intact, is it still working?
      My Computer


  8. Posts : 7
    Windows 10 Pro
    Thread Starter
       #8

    Caledon Ken said:
    If you post error I'm sure the forum will provide its input.

    Maybe something you swept up when deleting folders. Think you said you get iCloud intact, is it still working?
    I am 100% sure I deleted something during my sweep... it appears that iCloud is working properly, the calendars are updating between Microsoft Calendar and iCloud Calendar without a hitch.

    The error is: A required iTunes component is not installed. Please repair or reinstall iTunes (-45075).

    I have tried a repair install, but not a reinstall yet. I was unable to find installers for Application Support 32 and/or 64 bit, which are missing from my system.

    Any help would be appreciated.
      My Computer


  9. Posts : 2,297
    Windows 10 Pro (64 bit)
       #9

    I did once read it's a good idea to purge your system of everything Apple related and try again. So I would say also uninstall the iCloud stuff and if you have things like safari and try again. It's a bit rubbish having to go through this but it's worth a try. I don't think Apple cares much for windows users and their stuff can be very buggy.
      My Computer


  10. Posts : 7
    Windows 10 Pro
    Thread Starter
       #10

    So... I ended up finding installation files for Application Support 32 bit, Application Support 64 bit and Mobile Devices on a Windows 7 box -- copied them over, installed them and voila -- all is good! Was even able to sync my new phone.

    THanks for everyone's help!
      My Computer


 

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