Although the Windows7 shutdown speed has been much faster than the previous Windows XP and Vista system, but a slight modification of the registry will make the shutdown faster, easy to operate, why not!
Enter "regedit" in the search box in the Windows7 system's Start menu to open Registry Editor, and then find the "Hkey_local_machine/system/currentcontrolset/control" Item open, You can find that there is a "waittokillservicetimeout" item, the right mouse click, select the right button under the "Modify" command, from the Open dialog box can see Windows7 default value is 12000 (for 12 seconds), Just modify this number appropriately, such as 5 seconds or 7 seconds, so you can make the Windows7 shutdown faster.
Modify the Registration Form
To remove a startup item from the system configuration
Tips: Reducing the startup program is also the main way to speed up system startup, in Windows7, we can enter "MSCONFIG" in the Run window of the Start menu, turn off the startup project in the startup project of the system configuration, or use the related startup key settings of various optimizations and security software to operate.