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  • KB4530734 ends up with 0xc0000428 fatal error

    Home Forums AskWoody support Windows Windows 7 Questions: Windows 7 KB4530734 ends up with 0xc0000428 fatal error

    This topic contains 2 replies, has 3 voices, and was last updated by  anonymous 1 month, 1 week ago.

    • Author
    • #2040219 Reply

      AskWoody Plus

      On Windows7-64bit dual booting with Windows 10-1903 and Linux Mint running Grub2 ends up dead computer. KB4530734 goes to 0xc0000428 fatal error (cannot confirm signature). There is no escape other that Hard Power Off and reimage to the previously good state since the suggestions on the black screen for doing F8 or Enter simply do nothing.

      Microsoft claims they know of no issues on this patch. It is not possible for them to see dumps or anything when the failure is catastrophic.

      I do have the required servicing stack updates. Still it fails. My imaging program has been put through the paces numerous times.

      This is my first post here. I hope it’s ok and in the correct place. I also hope that somebody (Susan the patch lady?) tells MS there is a problem.


    • #2040225 Reply

      Da Boss

      Welcome to AskWoody, Lizzie.

      @gborn discussed KB4530734 in this article:
      Microsoft Patchday Review (Dec. 10, 2019)

      It may be of some help to you?

    • #2059273 Reply


      I had the same problem. The KB4530734 seems to destroy compatibility with
      grub2 that can not launch windows. I restored the error booting on windows
      from an emergency partition in windows and de-installing the KB4530734 update

      Another alternative is to save an old version of winload.exe file (the version existing
      before the update) and restore this file from linux or windows emergency boot

      My solution was to ignore  kb4530734 update and put it on black list

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