Be careful when cleaning your registry

The problem when trying to clean Windows registry is that it will clean not only your unwanted files but also the important ones.  Sometimes a user does not know which is important and just click button which states clean or fix all.  It then fixes the problem and deleting them at some point without regard for its importance to the system.  This is one of the reasons why other programmers disagree with fixing windows system. 

The other problem with software that fixes errors is that the makers of the application make it a point to exaggerate the problem when in truth there are only a few of it.  I started to use a application that fixes system errors a few days ago and when I started scanning the results were unbelievable.