Wednesday, December 10, 2014

Windows update error 800B0100



Windows Update on one of our Windows Server 2008 machine stopped working. Whenever I click on Install Updates, it fails with the 800B0100 error. I did some investigation and noticed that it’s not an uncommon error. I found a number of discussions threads reporting the same error on Windows Vista. However, I could not find any leading to a useful conclusion. I also found a Microsoft KB article (KB 956702), but it’s not very revealing. It recommends to run System Update Readiness Tool. When I ran it, it looked like a long update, and when it finished, it did not say anything. So I assumed it did whatever it wanted to do. I found some logs which the tool supposedly produced, but there were full of gibberish to me. Also, the tool did not guarantee to fix all problems.


Answer



We just fixed the problem by manually downloading and installing the problematic update. Yes, there was some guessing involved. You need to know which update is causing the problem. I guess that when the update was previously downloaded it was corrupted along the way.


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