On the one hand, 80070643 means that I probably have to repair the. It started running and then gave me the following error message: The SQL Server System Configuration Checker cannot be executed due to WMI configulation on the machine. I tried bypassing Windows Update and simply downloading and then running the SQLEXPR32.exe file from Microsoft downloads. Didn't work at all. I then tried to run it as administrator (even though it was already an administrator account, with no other accounts
Looking at KB976982, I tried to fix MSI software update registration corruption issues (whatever it means) by running the automated Fix It per KB971187. Rebooted, tried Windows Update again. Since it's not Office 2003, the error seems to mean a problem with Windows. (even deleting the file so it would download again) and installing again.
Vista Ultimate 32 with all the updates, until this one: Windows Update FAILED: Error 0x80070643 for Microsoft SQL Server 2005 Express Edition Service Pack 4 (KB2463332). Original title: Windows Update Failed - need assistance
