WGA kannst du silent installieren:
ZitatFirst download the latest WGA installer.
Note: At the moment of writing, the file name was WindowsXP-KB905474-ENU-x86.exe. You will need to modify the name in the following code if it were to change with a future update.Next, extract the actual installer from the downloaded executable to the current directory ("%cd%"):
WindowsXP-KB905474-ENU-x86.exe" /extract:"%cd%" /quiet
Then run the WGA setup:
wgasetup.exe /autoauto /quiet /norestart