Microsoft is doing it again, users are reporting stealth updates at Microsoft Windows XP and Vista forums, files are getting updated without consent and even while Windows Update is turned off.

The new update has the version number 7.0.6000.381,A user Dean-Dean at the Microsoft forum states:

"Windows Update Software 7.0.6000.381 is an update to Windows Update itself. It is an update for both Windows XP and Windows Vista. Unless the update is installed, Windows Update won't work, at least in terms of searching for further updates. Normal use of Windows Update, in other words, is blocked until this update is installed."

Dean-Dean names several files that are changed on XP and Vista as below:

In XP, the following files are updated:

1. cdm.dll
2. wuapi.dll
3. wuauclt.exe
4. wuaucpl.cpl
5. wuaueng.dll
6. wucltui.dll
7. wups.dll
8. wups2.dll
9. wuweb.dll