Disk clean up and disk defrag procedures are often used in windows 7 to prevent low memory problems, and when used effectively these steps will help your computer perform more efficiently and effectively. When your computer does not have enough memory to accommodate all of the actions you would like to complete at one time, Windows 7 begins to slow down and some programs will stop working completely. The low memory warning from windows 7 should be thought of as free computer maintenance, as it tells you when there is a problem that needs to be corrected before it becomes