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Remove SP1 using command prompt from recovery DVD?

  1. #1


    Join Date : Jan 2009
    Posts : 3
    Vista Home Premium x64
    Local Time: 09:47

    Remove SP1 using command prompt from recovery DVD?

    Hi,

    Upon starting my computer I'm getting error 0xc0000428, ntoskrnl.exe is missing verified signature or something like that.

    I am unable to use the startup repair from the recovery disc - I get an error called StartuprepairV2. I can not use system restore, and using cmd to copy the file from the DVD to my hard drive does not work (the file is still missing the digital signature). Bootrec doesn't fix the problem.

    I have read somewhere that if startup repair does not work, you can update your vista version as a workaround. However I can not upgrade unless I delete SP1 first, but I don't know how to do that when I can't start windows.

    Is there a way I can remove SP1 using command prompt ran from the recovery DVD? Or any other solution anyone can think of? (except for doing a clean install)

    Thanks in advance!

      My System SpecsSystem Spec

  2. #2
    pooch's Avatar
    Join Date : Sep 2008
    Germany
    Posts : 1,046
    Vista Ultimatex64 Windows 7 build 7100
    Local Time: 09:47
    germany uk england

     

    Re: Remove SP1 using command prompt from recovery DVD?

    Quote Originally Posted by notsavvy View Post
    Hi,

    Upon starting my computer I'm getting error 0xc0000428, ntoskrnl.exe is missing verified signature or something like that.

    I am unable to use the startup repair from the recovery disc - I get an error called StartuprepairV2. I can not use system restore, and using cmd to copy the file from the DVD to my hard drive does not work (the file is still missing the digital signature). Bootrec doesn't fix the problem.

    I have read somewhere that if startup repair does not work, you can update your vista version as a workaround. However I can not upgrade unless I delete SP1 first, but I don't know how to do that when I can't start windows.

    Is there a way I can remove SP1 using command prompt ran from the recovery DVD? Or any other solution anyone can think of? (except for doing a clean install)

    Thanks in advance!
    Hi notsavvy, Welcome to the forum.

    Have a look here at option three; How to uninstall Windows Vista service packs as a troubleshooting step

    I hope this helps

    Pooch

      My System SpecsSystem Spec

  3. #3


    Join Date : Jan 2009
    Posts : 3
    Vista Home Premium x64
    Local Time: 09:47


      Thread Starter

    Re: Remove SP1 using command prompt from recovery DVD?

    That's excactly what I was looking for! It didn't work for me though, since I'm missing the file needed to uninstall, but thanks for the great reply

      My System SpecsSystem Spec

  4. #4
    pooch's Avatar
    Join Date : Sep 2008
    Germany
    Posts : 1,046
    Vista Ultimatex64 Windows 7 build 7100
    Local Time: 09:47
    germany uk england

     

    Re: Remove SP1 using command prompt from recovery DVD?

    Quote Originally Posted by notsavvy View Post
    That's excactly what I was looking for! It didn't work for me though, since I'm missing the file needed to uninstall, but thanks for the great reply
    Shame Been there as well looks like its new install time

      My System SpecsSystem Spec

  5. #5


    Join Date : Mar 2009
    Posts : 24
    vista ultimate 32bit
    Local Time: 01:47


     

    Re: Remove SP1 using command prompt from recovery DVD?

    hi notsavvy,

    by the looks of it all you need to do is to have a clean install. 0x0000.... errors are caused by updated or unupdated drivers. using the installation dvd to repair may not help at all (based on my experiences)

      My System SpecsSystem Spec

Remove SP1 using command prompt from recovery DVD?

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