To clean up your ram:
Create a new text file and name it as "ramcleaner" or anything whatever you like..
Type
FreeMem=Space(64000000)
in this file and save it as ramcleaner.vbs [ You may choose the "All Files" option when u save it ]
Run the file and ur RAM may be cleaned :>
Of course u can edit the code in the file for a greater "cleaning-progress".
FreeMem=Space(1280000000)
It Will Make Speed up your system, Enjoy eh!