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Repeated Windows Update failures (KB954430 & KB973688) Error Code 643
I recently completed a clean install of Window 7 Home Premium and have been running Windows updates to get up to date. There are two updates (KB954430 & KB973688) that fail to install repeatedly. I'd appreciate any advice on how to clear this up. The update history details for each of the updates follows:
KB973688
KB954430Code:Update for Microsoft XML Core Services 4.0 Service Pack 2 for x64-based Systems (KB973688) Installation date: 1/3/2015 1:53 PM Installation status: Failed Error details: Code 643 Update type: Important Install this update to prevent applications from sending too many HTTP requests while a well-known Document Type Definition (DTD) is included. After you install this item, you may have to restart your computer. Once you have installed this item, it cannot be removed. More information: http://support.microsoft.com/kb/973688 Help and Support: http://support.microsoft.com
Code:Security Update for Microsoft XML Core Services 4.0 Service Pack 2 for x64-based Systems (KB954430) Installation date: 1/3/2015 9:46 AM Installation status: Failed Error details: Code 643 Update type: Important A security issue has been identified in Microsoft XML Core Services (MSXML) that could allow an attacker to compromise your Windows-based system and gain control over it. You can help protect your computer by installing this update from Microsoft. After you install this item, you may have to restart your computer. Once you have installed this item, it cannot be removed. More information: http://go.microsoft.com/fwlink/?LinkId=128803 Help and Support: http://support.microsoft.com