Windows XP/Vista

1. Goto RUN, type Regedit
2. GoTo
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control
3. On the right window, double click the key WaitToKillServiceTimeout
4. Edit String window will open, fill 1000 as a value.
Enter, close Regedit.
5. Restart Windows.
You will Notice that your windows shutdown more faster than before.
By SG.