Updates are not installed successfully from Windows Update, from
Microsoft Update, or by using Automatic Updates after you perform a new
Windows XP installation or you repair a Windows XP installation
Do Method 1 first. Installed antivirus/security software may be
preventing the the proper registration of the required files.
If the files registration still fails after attempting Method 1 then
suggest you disconnect the system from it's net/network connection and
then *temporarily* disable all installed sec software.
Then do Method 1 again.
If that fails to get the files registered than the security software
prevented all required files from being downloaded.
*Reenable* the security software, reconnect the system, and download the
latest Version of the Windows Update Agent from the links on this page:
Download the package that applies to the version of XP installed and
save it, either x86 [32bit] or x64 [64bit]. Most XP installations are
Once the download completes do the same as previously suggested
[disconnect, temp disable the sec software], then move
windowsupdateagent30-x86.exe [32bit] to the root drive [the drive where
Windows is installed to, usually, C:\)
Now open a Command Prompt from Start > Run > type in
Click OK or press Enter
At the prompt, type in these commands *exactly* as written, pressing
Enter after *each* one
net stop wuauserv
net stop bits
net start bits
net start wuauserv
The command, c:\windowsupdateagent30-x86.exe /wuforce, will take a
little time to run. Allow it to finish before entering the next one.
Reboot. Reenable the installed security software prior to reconnecting
Did that get the files installed and registered ?
MowGreen [MVP 2003-2008]
> Hello Everyone, I have a problem: on a Win XP sp3 when I try to
> download/install updates via Windows/Microsoft update the site tells me that
> the necessary files to utilize Windows Update are not registered or are not
> installed on the computer and it suggests me to try to register/reinstall
> those files automatically, but the problem remains. I found this error after
> that I repaired the installation of the OS. What can I do? Thanks.