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The Windows registry is one of the backbone components of the operating system which houses settings, device drivers, services, interface elements and ensures its proper functionality.

Keeping it redundancy free is vital as it is a sensitive file structure and can malfunction to the degree in which your computer can’t be used again until you either revert it to an earlier state or reinstall the OS.

For this reason software that can perform a complete registry scan and fix has been created. An example is BATRegClean which is capable of detecting registry keys that are not associated to any existing file on your computer or application.

Though Microsoft hasn’t commended an actual benefit of using these tools, they are still popular due to the ‘one click fixes everything’ approach, which BATRegClean incorporates.

From its main window you are presented with four types of registry entries which you can scan for and with a single click, start the scanning process. Depending on the complexity of the system, a scan generally takes a couple of seconds so it’s evaluation when it comes to speed is on the subjective side of things.

BATRegClean doesn’t just delete unnecessary registry entries, but also creates new .reg files which can restore a portion of the system’s default state. After a scan is complete, the utility displays all the found registry entries in a list and allows you to manually remove or restore the them.

On paper, BATRegClean sounds like a practical solution but anything that isn’t really recommended by the developer of your operating system should be used only when aware of the risks involved. After all, you’re working with files that can affect the functionality of your Windows installation in a different way than expected.