KB976596, KB979909, and KB979906 failed to install

Discussion in 'Windows Update' started by mcattac, Jun 23, 2010.

  1. mcattac

    mcattac Guest

    I'm getting an error 0x643
    I have retried to install these updates multiple times with the same results
    - failed to install!
    Please help.
    Thanks.
    Mac
     
    mcattac, Jun 23, 2010
    #1
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  2. mcattac

    Rusty Guest

    scrrun.dll might be unregistered. Re-register it then retry. This installer uses it for part of the install process.

    regsvr32 /s scrrun.dll
     
    Rusty, Jun 23, 2010
    #2
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  3. mcattac

    Marty Guest

    How do I re-register scrrun.dll?
     
    Marty, Jun 25, 2010
    #3
  4. mcattac

    Marty Guest

    I think I figured out how to register scrrun.dll. I typed "cmd" at the run
    command (in the Start menu), then registered scrrun.dll by typing "regsvr32
    %windir%\system32\scrrun.dll". I got a verification message (dialog box). I
    ran the security update again for KB979906 and it failed again for about the
    25th time. I still need help.
     
    Marty, Jun 25, 2010
    #4
  5. Are you installing via Windows Update?

    Have you tried downloading KB979906 from the Microsoft Download Center and
    installing it while booted to Safe Mode?

    Harry.
     
    Harry Johnston [MVP], Jun 25, 2010
    #5
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