Automatic updates fail after installation of Windows XP SP3

After the installation of Windows XP Service Pack 3 (SP3), you might face some trouble with the Automatic Updates feature in Windows XP. In my case, I wasn’t able to install new updates.

An example of the error I got was:

Security Update for Windows XP with Windows Media Format Runtime 9.5 and 11 (KB941569) failed

The solution for this problem is re-registering some DLL-files. The steps below fix the problem if auto updates fail after a fresh install of Windows XP SP3

Open Start, Run, and run these commands, one by one:

regsvr32 /s wuapi.dll
regsvr32 /s wuaueng1.dll
regsvr32 /s wuaueng.dll
regsvr32 /s wucltui.dll
regsvr32 /s wups2.dll
regsvr32 /s wups.dll
regsvr32 /s wuweb.dll

You can also open Notepad, paste the above commands, save the file as RepairAU.bat, and run RepairAU.bat. This should save you approximaticaly 20 seconds of your lifetime :-)

Next time you open Windows Update / Microsoft Update, you should have no problems installing new updates.

Note: I surely believe Microsoft feels very sorry for this bug in SP3, and they really want to offer a hotfix for this problem, but since this hotfix would be offered by Automatic Updates, that won’t make much sense :-)

39 thoughts on “Automatic updates fail after installation of Windows XP SP3

  1. Right here is the perfect blog for anyone who really wants to find out about this topic.
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  3. Thanks so much–this worked perfectly! I’ve been messing around on Microsoft’s support site for a couple of hours and got nada on this problem.

  4. Fantastic! Thanks so much for this information. This problem has plagued me for weeks and it is great to get one more glitch out of the way. Many thanks again. The paste commands to notepad created the program and it ran perfectly in DOS. Cheers

  5. tyvvm this reAlly helped me
    now all i need to do if i get that problem again is run the bat
    and im done !!!!!!

  6. I have had this same problem but with one difference: I run XP64 and the problem started when I updated to SP2. XP 64 does not have a SP3 available.

    Would anyone know if my problem wuld this be the same issue?


  7. Just because Automatic Updates can’t deploy it doesn’t mean they shouldn’t offer a patch. Microsoft are some proper w4nkers for forcing others to do their work for them. Last time I checked, their software wasn’t open source! >:(

  8. Hello,

    When trying to put my laptop in to standby or hibernate, lately, I get eht following message:

    The service ‘Microsoft .Net Framework v.1.0.3705 Update’ is preventing the machine from entering standby. Try stopping this service and try again.

    Now I can only shut down my machine. Please help. What do I do to make Standby and Hibernate work again?


  9. This is awesome… i was like… OMG… i don’t want to have to download and install every one of these. Then I found your site, re-applied the dll’s and vioala!

  10. Thank you thank you thank you.
    I echo Andrew’s sentiments, “Too bad Microsoft hasn’t figured a way to put this in their help section.”
    Thank goodness for Google – that’s how I found your fix!

  11. Great fix, been looking at MS fixes for a week and was starting to run out of patience. Had not come accross before but will check it in the future.
    Thanks for sharing a fix that must have been fairly time consuming.

  12. Richard,
    thank you for your comment. Although I’m not sure, I can imagine that it has something to do with the version of the Automatic Update client. For example, I had installed the Microsoft Update (the extended version of Windows Update). In addition, it may be possible that multiple versions of the Windows Update client work with the Microsoft site. So to make myself more clear: version 1.0 is required, but the newest version is 1.03, which will also work with the Windows Update website.
    So the kind of Update client (Windows/Microsoft) as well as the version number of the client could explain the fact that some people have the problem while others don’t experience a problem at all.

  13. Add my Thank You Very Much to the rest. But, I wonder why the problem exists on some XP SP3 installations, but not the other? For example, my old Toshiba laptop hasn’t had the problem; but, my new MacMini BootCamp XP SP3 install update did?

  14. Brilliant! I’ve been looking for a solution for two months since I installed SP3 on my HP laptop. None of them worked, but this one did, and now I’m up to date. Thanks a bunch!

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