The time required to shutdown on Windows 7 is quite long. By making small changes to your registry can speed up the time it takes to shutdown. Follow the simple steps below.
1. Click start and type text below on search field
regedit
2. Go to
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control
3. Now, change the value on registry.
4. Standard value set to 12000 (12 [...]

The first time after installing Windows XP, your computer does not require a long time to shutdown. Shutdown process will take quite a long time after you use Windows XP in a few days, maybe a week or a month after installation.
Shutdown process that takes a very long time is certainly very annoying. There is [...]