Windows couldn't load WinSetup.dll

Discussion in 'Windows Vista General Discussion' started by Peter Afonin, Nov 7, 2007.

  1. Peter Afonin

    Peter Afonin Guest


    I'm trying to reinstall Vista Ultimate. My CD is not bootable, so I can
    reinstall only using flat installation

    Originally this was the way I installed Vista, but now I'm getting this

    Windows couldn't load required file WinSetup.dll. The file may be corrupt.
    To install Windows, restart the installation. Error code: 0x45a.

    Do you know how to deal with this issue? Couldn't find much information

    I would appreciate your help.

    Thank you,
    Peter Afonin, Nov 7, 2007
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  2. Richard G. Harper, Nov 7, 2007
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  3. Peter Afonin

    Peter Afonin Guest

    I don't know why it's not bootable. This is not a retail CD, I'd burned this
    CD from an ISO image that I downloaded from MSDN site (MSDN Universal
    subscription). It was supposed to be bootable, but it is not. However,
    previously I copied it's content to the hard drive and performed a flat
    installation just fine. Now I'm trying to do the same, and it fails.



    Peter Afonin, Nov 8, 2007
  4. Peter Afonin

    Peter Afonin Guest

    I have also noticed that the installation works very well from the Windows
    XP partition, but fails from the Vista partition. So I can upgrade Windows
    XP or do a new clean installation, but I cannot repair the existing Vista


    Peter Afonin, Nov 8, 2007
  5. Peter Afonin

    Wendy Riley Guest

    Did you ever get this figured out? I'm trying to load Vista and am getting
    the same error code.


    Wendy Riley, Feb 20, 2008
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