Almost all pc users will reach the point when their computers will start performing slower and possibly become less functional in the execution of programs. One vital system component which reflects changes in this performance and functionality is the windows registry. The registry stores information about system software and hardware in the form of keys which get changed every time you add and remove programs or hardware from your pc. The problem arises as a result of the constant changes to these keys which will eventually result in degradation of overall system performance.