Microsoft Update failure
I’ve been building a Windows XP virtual machine for test purposes and needed to apply the latest updates (even with Windows XP service pack 3 it required over 20 updates to be applied). Unfortunately, Microsoft Update hit a problem and refused to install some of the updates, telling me that “a problem on your computer is preventing updates from being downloaded or installed“. I tried disabling my anti-virus software (AVG Free) but that made no difference.

Microsoft’s advice is to re-register a number of DLLs using the following commands:
regsvr32 wuapi.dll
regsvr32 wuaueng.dll
regsvr32 wuaueng1.dll
regsvr32 wucltui.dll
regsvr32 wups.dll
regsvr32 wups2.dll
regsvr32 wuweb.dll
For each successful registration, Windows should return “DllRegisterServer in filename.dll succeeded” but wucltui.dll didn’t seem to exist on my system. Even so, after re-registering the remaining DLLs, Microsoft Update successfully installed the problem updates.
Posted: 12:28 on Thursday 31 July 2008 under Windows XP, Patch management.
Comments: 5
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Comment from Duncan Smart
Time: Friday 1 August 2008, 10:37
Come on Mark - in this day and age, the title should be:
“Microsoft Update FAIL”
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Pingback from Possible solution for XP SP3 users who aren’t able to install updates - SuperSite Blog
Time: Sunday 10 August 2008, 15:57
[…] Mark Wilson had also written in with his related answer, in the form of a blog post. Published Aug 10 2008, 10:15 AM by pthurrott Filed under: […]
Comment from Colin Westwater
Time: Monday 17 November 2008, 10:07
Mark, I have found this excellent script that has cured a number of MS Update problems:


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