Here is an interesting issue I have seen occur multiple times. Basically the problem is that after running a full upgrade from Windows XP Home to Windows XP Pro, the updates will not install. Automatic updates will download all 70+ updates and go to install them and one by one they fail immediately. When you go to the Microsoft update site you cannot even install the windows installer and GDI required updates.
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From what I have seen is the issue occurs because there are a handful of DLL files that do not re-register with Microsoft’s server and therefore will not allow you to install the XP Pro updates to your computer. .
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When I first saw this problem I spent a couple hours trying to figure out what was going on.
I looked to make sure all my settings were correct and that I had not missed some checkbox or selection somewhere in the process of installing the upgrade. I even went through the process of re-installing the upgrade which all turned out to be a waste of time.
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After searching the web for some time I came across a solution that fixed it in under five minutes for every machine this happened to.
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Basically, you have to manually re-register the DLL files related to the updates to get it to work. Here is how it’s done.
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Open the start menu and go to the run command. In the dialog box type “cmd” without the quotations to open up the command line Then type in these commands in order: net stop wuauserv regsvr32 wuapi.dll regsvr32 wuaueng.dll regsvr32 atl.dll
regsvr32 wucltui.dll regsvr32 wups.dll
regsvr32 wuaueng1.dll regsvr32 wucltui.dll regsvr32 wups.dll
regsvr32 wuweb.dll regsvr32 wups2.dll regsvr32 msxml.dll regsvr32 msxml3.dll regsvr32 msxml2.dll regsvr32 qmgr.dll regsvr32 qmgrprxy.dll
net start wuauserv After you have put each one of these in it will pop up with a box saying that they have registered successfully Run updates again and they should start installing I have linked a batch file on my website to run this automatically so you don’t have to do it by hand.
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