800b0100 error code when you try to install the updates KB974145 and KB978251

I tried to install these 'important' updates several times with the same result - updates failed, error 800b0100 code. I downloaded and installed the KB974821 tool - tells me it installed - same problem. (I don't know if I'm supposed to do something else with KB974821 - I have to "run" or just "installed" it enough?) Instructions could certainly be clearer)

I tried to download and install the updates manually - without success - I get various error messages, like "does not apply to your system" or "for a different hardware platform.

I tried this with my firewall/antivirus close as well - using Trend Micro - and still no luck.

Thoughts, comments, suggestions, help? Very much appreciated. Thank you.


BTW, I'm running VHP 64 with Service Pack 2 installed. Nothing should be this complicated or frustrating.



Thank you. Re to system update readiness tool, maybe I missed it in the documentation, but how in the world would be a layman knows where to find the results?

You are welcome.

Thanks for the reply.

You should have no problem with him.

Thing you need to know about update readiness tool, is at this link I gave you already:

http://support.Microsoft.com/kb/947821/

Logging The System Update Readiness Tool creates a log file that captures any issues that the tool found or fixed. The log file is located in the following location:

  • %SystemRoot%\Logs\CBS\CheckSUR.log
  • %SystemRoot%\Logs\CBS\CheckSUR.persist.log
  • See you soon.

Mick Murphy - Microsoft partner

Tags: Windows

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