Improve Shutdown. Lets not save your active session's settings on exit
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.
courtesy of xptuneup.com