If you Don't care which windows app was located where when you are shutting down the system, this
tip may in fact help improve the shutdown time a bit (a bit not too much)..Simply inform windows not
to save the settings at exit time. To do this , open registry by going to START-RUN and entering
regedit. Navigate to
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] . In this
look for value of "NoSaveSettings". If available, do one of the following:
If you want to enable no save on exit, set its value to 1 else to save on exit. set it back to 0.