For increasing the speed of shutdown of your computer system we have to chane in the Registry file of computer System.
So, to do this follow the followin steps:
1.Press the window button in left hand side and select the option of Start from it.
2.Type regedit in Run to open the Registry Editor.
3. Now in registry Editor select the option in left hand side HKEY_CURRENT_USER.
4. Now Select the Control Panel in this menu items in leftmost panel.
5. Next select the Desktop option in it.
6. Now search the File name WaitToKillAppTimeout in right hand side.
7.After selecting the file a dialog box is opened now replace 20000 already there by 10,000. & press ok.
Now your PC is shutting down faster than before ……..