Hello Wolfgang Holesch,
See if running Dial-a-Fix Tool resolves them:
For XP they are 2 o 3 solutions, here is two of them Dial-ª-Fix
Go ahead and download Dial-ª-Fix.
<http://wiki.djlizard.net/Dial-a-fix>
Scroll down about 2/3 of the way to Download Dial-ª-fix
Click the Double green checkmark and click Go.
After it has finished, Reboot
Try Windows Update and see if you can get your updates installed.
OR
You might want to try Eddie Bowers tool:
<www.codeplex.com/aureset>
Let us know what hªppens.
Ǝиçεl
-=-
"Wolfgang Holesch" wrote:
> A Windows XP SP2 machine gets error 0x80004002 for windows update after a
> disk hardware failure and disk repair (no Windows XP repair installation,
> because I can't tell which XP setup CD was used to install Windows XP). All
> other programs exept windows update are running without any errors.
>
> I already tried http://support.microsoft.com/kb/943144 (both methods) with
> no success.
>
> from windowsupdate.log
> FATAL: Failed to get session from datastore, error = 0x80004002
> FATAL: Failed to Unserialize from data store, error = 0x80004002
>
> any suggestions for me?