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Windows Update Errors: 0x8007007E

written by: Lashan Clarke•edited by: Rebecca Scudder•updated: 12/31/2008

This is an error received when trying to update Windows 2000, Windows XP, or Windows Server 2003 applications. The cause for this error message mainly results from two different problems; a corrupt .dll file, or a problem in the XML parser.

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    The Windows 0x8007007E update error is common among anyone using Windows 2000, Windows XP, or Windows Server 2003 applications, while trying to update their software. While receiving updated files from the Windows server, the update process will stop, and an on screen, Windows Update Error message called “Initialization error 0x8007007E" will appear.

    The cause for this error message usually results from two different problems. The first problem that causes the 0x8007007E error is having a corrupt .dll file, or one that is not registered or missing.

    The second possibility for the 0x8007007E error is a problem in the Microsoft XML Parser. If the computer’s security has been compromised, or if the parser has a bug, this error code might be generated.

    A Corrupt .dll File

    If your .dll file is corrupt, it will be necessary to install a new copy of the file.

    1. Go to the Windows desktop, and click “Start" located in the bottom left corner.

    2. Press “Run" and the run window should open.

    3. Type in “cmd" into the run window, and press “OK". This will open the DOS prompt window.

    4. At the prompt, type in the following, making sure to hit “Enter" after each command. Try updating Windows between each command to isolate the problem.

    • Regsvr32 Msxml3.dll
    • Regsver32 Msjava.dll
    • Regsvr32 Oleaut32.dll
    • Regsvr32 Ole32.dll
    • Regsver32 Actxprxy.dll
    • Regsvr32 Mssip32.dll
    • Regsver32 Mshtml.dll
    • Regsver32 Urlmon.dll
    • Regsver32 Cabinet.dll
    • Regsver32 Browseui.dll
    • Regsver32 Shdocvw.dll
    • Regsver32 Shell32.dll
    • Regsver32 Inseng.dll

    5. Afterward type “Exit" to close the DOS prompt window.

    The XML Parser

    1. In simple terms, Internet browsers will contain a copy of the XML Parser that can convert XML, making it accessible by JavaScript. Anyone who has recently upgraded to Windows XP might find that they need to replace their previous Microsoft XML Parser (MSXML). Visit the Microsoft Web site ( for the latest and most suitable version of MSXML, and install it.

    2. Then try updating Windows again.

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