A registry cleaner is a piece of software designed for the operating systems from Microsoft. Its main purpose is to erase duplicate entries or any unwanted entries from the Windows Registry.

Although Registry Cleaners keep the Windows Registry clean off unwanted material, some security experts disagree with this claim and questioned their benefits.

The utility of registry cleaners becomes even more controversial because some security experts associate them with malware and scareware propagation.

Registry Cleaners refer to a piece of software that tries to make Windows Registry free of configuration data which is of no use or is redundant on the computer that will improve the performance of a slow computer.

Configuration data could be found in several forms that replete the Windows Registry. Settings for malware installation and propagation, unwanted information and information of uninstalled software are generally categorized as configuration data.

Registry Cleaners perform scanning of the registry and try to identify unwanted values so as to repair or remove them.

How can Registry Cleaner Software help the computer user?

Registry cleanup software, or registry cleaner, could enhance system performance by sanitizing the registry of unwanted data.

As manual cleaning of unwanted data and illogical entries would not be feasible, registry cleanup software is a significant tool that automatically hunts for invalid entries, broken links and missing references to files within the registry and repair them.

The rectification of a wrong registry key can lead to some advantages.

Registry Cleaner Software functions proficiently until the application moves to .NET Framework platform, which does not need registry for application settings.

Computer users can now access to advanced Registry Cleaners that inculcate backup and restore facilities to allow users to revert undesired modifications.

Registry cleaners may prove beneficial for a person who often adds or deletes programs from his/her PC; although, a virtual machine is learnt to be a more quick and trustworthy means to switch back an operating system to an earlier reputed state under testing conditions.

Although Registry Cleaners keep the Windows Registry clean off unwanted material, some security experts disagree with this claim and questioned their benefits.