A registry cleaner is a class of third party software utility designed for the Microsoft Windows operating system, whose purpose is to remove redundant items from the Windows registry.
Registry cleaners are not supported by Microsoft, but vendors of Registry cleaners claim that they are useful to repair inconsistencies arising from manual changes to applications, especially COM-based programs. However a virtual machine or virtual application is a faster and more reliable means of reverting an operating system to a previous good known state in a testing or application sequencing scenario.
The necessity and usefulness of registry cleaners is a controversial topic, with experts in disagreement over their benefits. The issue is further clouded by the fact that malware and scareware are often associated with utilities of this type.
Read more about Registry Cleaner: Advantages and Disadvantages, See Also
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