Windows often spills data over into the page file even when there’s free memory available, which can cause a drop in performance. You can’t entirely rectify this, but you can do the following to reduce the number of accesses to the page file. Go to : Start > Run > and start the Registry Editor and browse to
Select “DisablePagingExecutive” and double click on it and the change the value to 1. Close the Registry Editor and Restart the System.