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Thread: Microsoft Update failed with error 0x80070643

  1. #1
    Ursula Hellwig Guest

    Microsoft Update failed with error 0x80070643

    Following Microsoft Updates fail with error code 0x80070643:
    - Security update for MS Visio 2003 (KB947650)
    - Security update for MS Office 2003 (KB947355)
    - Security update for MS Office 2003 (KB945185)

    According to KB-article 903772 one should try one of these methods::

    1st trial:

    Set Office Source Engine-Service into status "manual".

    I did so. I also deactivated the service before I reset it to "manual".
    I also tried the update with the service being started.

    No success

    2nd trial:

    Replace OSE.EXE with that from CD.

    I did so, but no success.

    My OSE-EXE-Version: 1.0.5525 (89.136 Bytes)

    - Windows XP SP2 and SP3*
    - Office 2003 SP3
    *) The update error 80070643 came before SP3 was installed, and after
    installation of SP3.

    The KB article also recommends to reinstall Office 2003. However,
    before I do a new installation of Office I will prefer not to install the

    Any ideas?

  2. #2
    PA Bear [MS MVP] Guest

    Re: Microsoft Update failed with error 0x80070643

    All three (3) possible Resolutions in KB903772 should apply here.

    Try inserting your Office 2003 CD into the appropriate bay before attempting
    to install the updates.

    Try downloading the appropriate fullfile version of each update and
    installing manually.


    Start a free Windows Update support incident request:

    Support for Windows Update:

    For home users, no-charge support is available by calling 1-866-PCSAFETY in
    the United States and in Canada or by contacting your local Microsoft
    subsidiary. There is no-charge for support calls that are associated with
    security updates. When you call, clearly state that your problem is related
    to a Security Update and cite the update's KB number (e.g., KB123456).

    For more information about how to contact your local Microsoft subsidiary
    for security update support issues, visit the International Support Web

    For enterprise customers, support for security updates is available through
    your usual support contacts.

  3. #3
    Peter Foldes Guest

    Re: Microsoft Update failed with error 0x80070643

    Try the following and post back with result

    1st Rename Office subkeys

    Note: Removing the following registry keys may reset customized user
    settings for your Microsoft Office programs.

    1. Close all the applications.
    2. Click on Start->Run, type in REGEDIT and click on OK.
    3. Locate and select the following registry subkeys:


    4. Right click on 11.0 and rename them to Old11.
    5. Close the Registry Editor.

    2nd. Detect and Repair Office 2003

    1. On the Windows taskbar, click Start, point to and click Control Panel.
    2. Double-click Add/Remove Programs.
    3. Click Change/Remove Programs on the left pane.
    4. Highlight Microsoft Office Professional Edition 2003 on the right pane
    and click Change.
    5. Insert the correct version of CD when it requires.
    6. Select “Reinstall and Repair” and click Next.
    7. Select “Detect and Repair errors in my Office installation”.
    8. Click Install and wait the process to end.

    3rd. Install the Updates

  4. #4
    Ursula Hellwig Guest
    It was enough to clear "LocalCacheDrive" to "C". It contained
    a path "C:\abcdef".

    It was enough to clear "LocalCacheDrive" to "C".
    For some reasons it contained a path "C:\abcdef".

  5. #5
    Join Date
    Apr 2010

    Re: Microsoft Update failed with error 0x80070643

    I just had the same exact problem on a client's computer as Ursula, and this thread helped me solve my problem! I just followed Peter's instructions and it worked!

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