You should have registry cleaning software in your arsenal of PC cleaning tools. The software ensures that your computer runs smoothly and without errors.

Registry cleaners aren’t seen as important by many people when it comes to PC cleaning. Mostly because they do not immediately improve PC performance. Additionally, some people have concerns about using them as the registry is such a sensitive component of Windows that it could damage the system.

For your PC to run smoothly, registry cleaners are a must. Keeping the registry clean will improve performance and prevent errors.

During this article, I will explain why registry cleaning software is so important to your PC’s cleaning routine and guide you in choosing the right registry cleaner.

Why should you use registry cleaners?

Despite what many shady marketing schemes might suggest, registry cleaners are not a silver bullet. Your Windows performance won’t be magically boosted or problems automatically fixed.

Your PC’s registry serves as an archive of information about your programs’ preferences, settings, and interactions. The Windows registry is updated every time you install a new application. The registry entries of an app are rarely deleted when you uninstall it (in most cases).

As a result, bloating occurs in the registry as a result of installs and uninstalls. In the end, obsolete entries can interfere with a PC’s normal operation, resulting in errors.

This can also slightly slow down the performance of your PC because Windows must process every app through a bloated registry. The registry could have a severe impact on performance as well if it isn’t removed soon enough.

To get a better understanding of registry cleaners, I’ll provide some benefits and downsides of using them.

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Registry cleaners offer many benefits

You may also see a few errors removed when they delete obsolete entries. Windows works better if the registry is clean because a clean registry makes searching easier.

An app’s context menu entries can be deleted, so there are no visible changes to the PC.

Errors caused by malware should be removed. Registry cleaners are needed if you need to remove malware from your PC or if you have an antivirus program that detects rogue software.

Registry cleaners have some downsides

Registry cleaners don’t have any downside since a clean registry always beats one that’s bloated. In fact, if the process isn’t done correctly, it can end up being a disaster.

To ensure that they are removing entries that no longer exist, registry cleaners compare data in their online database and PC storage. In spite of their shortcomings, such programs can potentially delete entries necessary to make Windows or programs run properly, resulting in corrupted files.

As a result, if any important information is removed from the registry in the course of the cleaner, you can easily restore it if the cleaner deletes it. To back up the registry, most registry cleaners include their own registry backup tool.

It is also possible to use a free registry backup tool such as Regbak if your registry cleaner does not feature this feature.

You should not experience any problems using registry cleaners as long as you backup the registry before using one. During all the years I have used registry cleaners, I have never needed to restore the registry even once. If you are sure, you will have a backup, you should be fine, too.

5 Best Windows 10 Registry Cleaners

Here is a list of some good registry cleaners that will clean the registry with minimal error chances:


Let’s begin by cleaning my computer using the program I prefer. You probably already know that CCleaner can help you speed up your computer by deleting temporary files. In addition to the main app, CCleaner also comes with an intuitive registry cleaner. Scan the registry by selecting it from the left panel and clicking Scan for Issues.

An interface displays outdated or unwanted registry entries that are found when the tool scans the Windows registry. The path and the reasons for not needing this entry are shown to you.

By unchecking entries you want to fix, you can fix all but those you don’t want. The rest will be fixed automatically. The program asks you to back up the registry before fixing; always make use of this feature to back up the registry before fixing.

CCleaner’s free version includes this registry cleaner and backup capability.

Glary Registry Repair

In addition to the registry cleaner, Garysoft also offers a simple way for even novice users to clean their computers. Glary Registry Repair will automatically scan the registry as soon as you launch the program. There is a main panel with obsolete entries, and a left panel with registry sections.

It is possible to customize the scanning areas and unselect entries selected for deletion. It’s interesting to note that you don’t need to backup the registry with this tool, since it automatically restores your system to its previous state if something goes wrong.

Unfortunately, you must activate the paid version of the app to scan the deeper areas of the registry.

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The software is a comprehensive system solution for repairing PCs in a secure and safe manner. This program analyses your PC’s hardware and performs a scanning and assessment. It also optimizes Windows PC. The PC will run at its maximum performance once it has been freed up of disk space. 

Registry optimization and hardware repair are features of this software. The program can replace and restore DLL files. The program also includes tools for removing viruses, repairing virus damage, and protecting against viruses.

Restoro provides free support and repair services for your Windows PC. By protecting against malware and restoring peak performance, it can prevent problems. Windows files that are damaged or missing will be replaced by Restoro. In real-time, it will detect threatening applications.

Cyberlab Technologies

The CyberLab (formerly Zookaware) PC maintenance tool will stop spyware, unwanted software, junk files, registry errors, and tracker cookies.

Cyberlab Scan feature treats Registry keys in the same way as locked files, and they can sometimes not be deleted. The problem does not lie with Cyberlab. It is simply a feature of the Windows operating system. 

The registry cleaner adopts a similar approach to removing registry keys as it does to removing junk files. They show all registry keys that can be removed, and do not hide any in a follow-up scan in case they weren’t removed during the first scan. 

Wise Registry Cleaner

For people who want a dedicated registry cleaner, Wise Registry Cleaner is the best solution. You will be asked to back up the registry as soon as the tool is launched. You can then perform a scan on either the fast scan, the deep scan, or a custom scan to find bad entries.

In this mode, your PC is only scanned for safe entries that cannot negatively affect your PC (the ideal option for most users). Deep scanning scans all areas, but it can also remove entries in the most vulnerable areas, so beware. A custom scan lets you specify which registry entries to scan and in what areas.

You can then select which entries you wish to delete by clicking the arrow next to each category after scanning. Click on Clean to remove entries that you do not want to delete. Uncheck entries you do not want to delete.

The program also comes with a tool that defragments the registry as well as a quick PC tune-up tool that optimizes Windows settings.


I consider Glary Registry Repair a good choice for novice users since it does everything without requiring any customization. Its limitation on deep scans is helpful for less tech-savvy users since deep scans also scan more vulnerable sections. Cyberlab, however, offers the best control and customization.