A review site is a good way to share your thoughts and knowledge with other people. Apart from providing other people with vital information, you can also make money with registry repair review sites.

Your expertise in these software programs could save your visitors from buying inferior programs or programs that may harm their computers. A review website can also allow other people to make comments in order to increase the pool of knowledge that is available.

• Starting Your Review Website
• Creating Contents And Building Traffic
• Making Money With Your Registry Repair Review Sites
• How Much do Registry Cleaners Cost?
• What Problems Does a Cleaner Fix?
• What Are The Best Free Registry Cleaners?
• What Are The Best Registry Cleaners For Mac?
• What Are The Best Registry Cleaners For Ubuntu?
• Is There a Free Registry Cleaner That Actually Works?
• Is Glarysoft Registry Repair Safe?
• Wise Registry Cleaner
• Glarysoft Registry Repair Review
• Best Registry Cleaner For Windows 10
• Microsoft Registry Cleaner
• Registry Cleaner Reviews

Starting Your Review Website

You will not start making money the moment you start a new blog. Offers will not just come from advertisers because you have set up a page on the internet. You need a combination of quality content and visitors to attract good advertisers.

The first thing to do is set up your site. You should ensure that the design is attractive and matches the type of reviews that will be featured. It should look simple and professional. This does not mean that you should not use a good style.

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Use a style that will appeal to the type of audience that you are targeting. It may take some time to get the right combination of style and design but you can get some help by taking a look at other established sites in the same niche.

Creating Contents And Building Traffic

Once you have put in place the basic structure of the website, your next task is to start adding contents. Your goal should be to provide your readers with reviews of the best registry cleaning programs on the market. These may include a few free as well as paid products.

Provide extensive details about each of these products so that your readers will be able to make informed choices. Let them know the benefits and disadvantages of any of the featured programs. It may not be possible to use every product that you feature but make sure that your reviews are sincere.

Making Money With Your Registry Repair Review Sites

After you have put up at least ten reviews, start marketing your site so as to get traffic. It will be easier to get visitors if you write about the best products on the market. Your site should also be properly optimized for the most vital keywords. Other promotional methods include article submission, forum marketing, social bookmarking and social networking.

There are different ways to make money with registry repair review sites. You can contact companies and businesses in your niche and ask them to buy advert space on your site. Let them know that you have a lot of visitors as well as a sizeable number of subscribers. You can also register as an affiliate and insert banners and text links at strategic points on the website.

You will make money when your visitors make purchases after clicking through those links. Another way to make money is to insert Adsense codes on your pages. Adsense is attractive because your visitors do not have to buy any product. You will get paid as long as they click on any of the Adsense links on your site.

How Much do Registry Cleaners Cost?

While there are many freeware registry fixers, most cleaner tools charge for 1-year or lifetime license. The average price range for annual Pro/Plus subscription is $15 to $45, one-time purchase can cost between $40 and $100.

What Problems Does a Cleaner Fix?

A registry cleaning program automates manual tasks for repairing Windows registry. The registry stores all the system settings and as it grows it might gets cluttered, which can cause errors with some programs.

In reality, a cleaner would most likely to solve error popup messages related to registry issues rather than an issue itself. Despite advertisement, it won’t speed up the performance, improve RAM, or boost Internet connection. Instead it will remove obsolete, “leftover” files or clean browser cache.

What Are The Best Free Registry Cleaners?

Registry cleaner software cleans up your Windows registry. It removes redundant registry entries, which increase your PC’s speed so that it runs faster and without any errors.

Following is a handpicked list of Top Registry Cleaner tool with popular features and website links. The list contains both open-source (free) and commercial (paid) software.

1. IObit Advanced SystemCare

IObit Advanced SystemCare is simple and easy-to-use software. It helps you to clean, speed up, optimize, and protect your system. It also allows you to protect your online privacy. This tool also helps you to free up your disk space by cleaning junk files.

Features:

• It manages startup items to boost computer startup.
• IObit Advanced SystemCare increase system security and refresh your web browsing.
• Drive Error Resolver & Repair windows
• Fix windows issues
• Single Click Removal of Software Leftovers.

2. Iolo System Mechanic

Iolo System Mechanic supports a personalized report detailing problems and list of recommended fixe. This tool improves PC boot time, Internet download speed, CPU performance, drivers, and RAM.

Features:

• It automatically increases the speed of CPU, hard drive, and RAM.
• Finds an unwanted startup program that slows down your computer.
• It detects and repairs more than 30,000 various problems.
• Optimizes hidden Internet settings for faster page loads
• Safely wipes browsing history and patches windows security vulnerabilities, which may harm your computer.
• Removes over 50 various junk files and free up disk space.

3. Restoro

Restoro is a software that helps you to clean your registry with no hassle. This application can stop the computer from freezing and crashing. It can quickly secure and safely repairs your computer to an optimized state.

Features:

• Restoro can fix error messages.
• It allows you to repair damages made by the virus.
• Provides convenient PC repair at any time.
• This application can repair and rebuild Windows OS
• It can restore and replace DLL files.
• Detects dangerous websites
• Free precious disk space
• It can find threatening apps before they damage your PC.

4. Avira

Avira Free Security is an all-in-one security tool for Windows, Mac, Android, and iOS that that keeps your devices free of viruses, ransomware, and spyware. Powered by a smart scan, it scans your devices for threats, unsecure networks, software vulnerabilities, and performance optimizations, then fixes issues with one click.

Feature:

• Award-winning antivirus scanner
• Free VPN (500MB/month on Windows and Mac, 100MB/day on mobile)
• Password Manager
• Junk file cleaner and duplicate file finder
• Software Updater
• Browser tracking blocker and ad blocker

5) Ashampoo® WinOptimizer

Ashampoo® WinOptimizer is an easy to use system optimization and cleaning tool. This application enables you to combine disk space with Defrag. It can analyze your hard disk and other installed hardware.

Features:

• It offers a dashboard for instant accessing features.
• The program supports the Microsoft Edge Chromium browser.
• It uses an instant junk file cleaning algorithm.
• Ashampoo provides detailed analysis logs.
• It has enhanced browser extension manager.

6. CCleaner

CCleaner clears your online tracks, frees up space, and helps you manage your machine, so it runs faster. It is a simple tool to clean the registry and maintain your PC.

Features:

• It provides standard privacy protection.
• The software product optimizes your Internet speed and your computer.
• This tool faster startup and provide better performance.
• Customize cleaning according to your business needs
• Boost security and stay compliant

7. O&O RegEditor

O&O RegEditor is a tool that enables you to optimize your REG files. This application allows you to speed up your computer. It can find and remove unwanted files that occupy your memory.

Features:

• Offers a convenient search function.
• It has a simplified editing process.
• You can add frequently used keys as a favorites
• It can optimize REG files without any hassle..
• You can export the registry in XML format.
• This application can be used without any installation.

8. Easy pc optimizer

Easy pc optimizer makes your PC fast, responsive, and error-free. It improves the performance of your system in a few clicks. This tool uses a computer optimization technique to configure Windows settings to match your hardware.

Features:

• This software makes the slowest computer faster in few minutes.
• It fixes Windows errors.
• Easy pc optimizer enables you to manage hidden windows settings.
• The tool backs up the registry before it changes any settings.
• It cleans up junk files, and optimize startup.

9. AVG PC TuneUp

AVG PC TuneUp tool helps you to make your old PC run faster. This tool has sleep mode technology to increase your PC performance, browsing speed, and faster disk cleanup process.

Features:

• This disk cleanup software automatically fixes bugs, crashes, and maintains your computer.
• It finds and removes junk programs and bloatware.
• It allows you to clean up more than 200 apps.
• Deep-clean your hard drive with Disk Cleaner
• Surf lighter and faster with Browser Cleaner.
• AVG PC TuneUp cleans registry automatically.
• Helps you to keep your program up to date with just one click.
• Update all program with one click.

10 Glary Utilities

Glary Utilities provides multiple system tools to maintain, fix, and protect your computer system. It provides a registry cleaner, spyware detections, disc cleanup, memory optimizer, etc.

Features:

• Provides an authoritative and all-in-one utility for cleaning your PC.
• This tool fixes frustrating crashes and errors.
• It has automated and secure options.
• Maximize your PC performance.
• Glary Utilities has easy to use and intuitive interface.
• It includes more than 20 system utilities to increase computer performance.
• It scans and analyses PC issues.

What Are The Best Registry Cleaners For Mac?

Below we provide the list of the most helpful Mac cleaners. Choose the best registry cleaner for Mac to keep it free from unwanted clutter, clean the leftovers of outdated or malware data, prevent lags and personal data theft.

1. CCleaner

CCleaner is a widely popular app for brushing system junk out of your computer. It will do great for cleaning such browsers as Safari, Chrome, Opera, etc. CCleaner will also help to keep the hard drive of your Mac clean, and therefore increase its storage space and productivity.

The app will delete caches, temporary files, and all kinds of trash in just one click. It can also perform uninstallation of applications and erase their remnant files. CCleaner is a highly customizable and user-friendly app, with an intuitive interface. It is definitely worth considering as a great choice of a registry cleaner for your Mac.

2. Detox My Mac

Detox My Mac is a relatively young, yet quite powerful cleaning application that is ready to remove all kinds of junk from the hard drive of your Mac in just one click. The app will intelligently scan your Mac to detect all the unused and duplicated files that clutter the system.

The interface of the app is simple; it is fast and easy to use. You should keep in mind though that to get the entire app’s toolkit, you’ll have to buy a full version. The free variant of Detox has considerably limited functionality.

3. MacClean

MacClean is considered to be one of the most popular and helpful cleaners for Apple computers. It is available free of charge and is fast and easy to use when you need to perform a thorough cleaning of your Mac. Getting rid of any system junk, caches and temporary files will help to boost the productivity of your Mac.

To get started, you need to scan the system. Next, the app will provide you with data of the hard drive space used, left and how much of it you can declutter. One click is enough to clear the entire system.

4. CleanMyMac 3

CleanMyMac 3 is one of the most popular multi-functional Mac cleaners, and having a look at an impressive list of its functionality you may understand why. With the CleanMyMac installed on your computer, most definitely you won’t need any other cleaning apps, to perform the most essential cleaning and maintaining processes.

As an effective registry cleaner, it will help to remove Xcode junk (Xcode-generated information and project index built up in your system), old updates of apps and multiple copies of your documents. Besides, CleanMyMac will get rid of system and apps caches, clear up trash and app leftovers, monitor trash status, delete unused language files and uninstall apps without a trace.

The drawback of this universal tool is that it requires a significant amount of system resources to perform scans. It’s not an uncommon situation when a user needs to put off other tasks until CleanMyMac finishes its work.

5. AppZapper

AppZapper is different from the other apps described in this list. Its main goal is removing unused applications from the system of your Mac without any trace. The app will brush any residual files and folders out of your Mac’s hard drive, increasing its storage space.

AppZapper can be really helpful in case you aim to find all leftover folders and files after the deletion of an app from your Mac. Even though the app is not designed for removing other kinds of system junk and caches away from your Apple computer, we still consider it to be beneficial.

What Are The Best Registry Cleaners For Ubuntu?

If you are looking for a CCleaner alternative, then you can find the best ones that will work great on your Linux system.

1. BleachBit

If you ask me which the best of all is, then without any doubt, I will say BleachBit. This is not just for Linux only; even if you are windows or MAC user, this is an excellent CCleaner alternative for you. This is a cross-platform, feature-rich, powerful and open source software that quickly and easily cleans the system, protects information privacy, and free-up disk space.

It is easy to use and supports around 65 languages. So, if you are not from an English-speaking country, then it will not be difficult for you. It assists in cleaning the system in a short time. It also helps you in maintaining the privacy and improving the performance of the system.

Most importantly, it comes with the command-line interface for those who love working from the terminal. Hence, it is scriptable and allows the user to create their own cleaners with CleanerML. It also has many other exclusive features.

2. GCleaner

Tired of looking for a CCleaner alternative? Well, don’t worry, we have something great for you here. The GCleaner is a great CCleaner alternative, and you can download it from the internet with just a single click. This is great for freeing up space and removing the unwanted files that you no longer need.

GCleaner is a simple, intuitive, open source, and fast system cleaner for Linux and its derivatives. Like all the above-mentioned cleaners, these also take part in cleaning the computer and protect your privacy. This cleaner is handy in keeping our information private. You will not have to worry about the security of the machine.

3. Ubuntu Cleaner

If you are looking for a great cleaner that has been designed just for Linux users then, Ubuntu cleaner is the one for you. This is very easy to use and can be installed without any trouble. You would be able to get rid of all the unwanted information from the system. It also cleans and frees up space in no time.

To our experts, this is one of the best to use in a Linux computer system. Along with the mentioned things, it also can remove the APT cache, unused packages, old kernels, and thumbnail cache. This is great for cleaning and speeding up the Ubuntu system. So, the next time if you require freeing some space in your desktop, use it.

4. Sweeper

The Sweeper is the default and simple cleaner for the KDE. This is a great CCleaner alternative for Linux. It is used to clean the unwanted traces of the user’s activity on the system for protecting the user’s privacy. It also helps in reclaiming the space in the disk by removing/ erasing the unused temporary files.

With the help of a sweeper, you can delete all the web-related traces, such as the cache, history, cookies, and image thumbnail caches. It works great in cleaning the history of the applications and documents. Like it is said before, this is a default app. You can also download it from the internet. This works great with the Linux system.

5. Stacer

Are you looking for a CCleaner alternative for Linux that comes with a modern user interface? If yes, then this is the one you need. This CCleaner alternative covers four sections: app cache, apt-cache, system logs, and crash reports. The dashboard of Stacer provides a quick look at the resources of the system.

This helps you in cleaning the junk or unwanted files with a single click. You can also manage the startup application and uninstall the software to free up your system space. This is widely used among Linux users.

Is There a Free Registry Cleaner That Actually Works?

1. CCleaner

CCleaner is the best free registry cleaner program we’ve tested. It’s easy to use, prompts you to back up the registry before it makes changes, and includes a number of other useful tools.

Piriform provides both installable and portable versions of their free registry cleaner.

If you’re set on using an automated tool to fix an issue you have that’s caused by a registry problem, we highly recommend you use Piriform’s CCleaner freeware registry cleaner tool.

The most recent version of the CCleaner registry cleaner runs on Windows 10, 8 & 8.1, and 7. CCleaner also works with macOS 10.8 and newer.

2. Wise Registry Cleaner

Wise Registry Cleaner comes in very close to the other top rated registry fix tools. They’ve put together a fantastic free registry cleaner program.

Some big pluses for Wise’s free registry cleaner include fast registry scans, scheduled scans, in place updates, and a clear separation between normal issues and those that are “unsafe,” a feature we loved.

We don’t like the fact that Wise Registry Cleaner pushes for a download of Wise Disk Cleaner at the end of the installation but it’s easy to skip.

Wise Registry Cleaner comes in both installable and portable versions and can be used on Windows 10, 8, 7, Vista, and XP. 64-bit Windows versions are supported.

3. JetClean

JetClean, a free registry cleaner by BlueSprig, isn’t one we see mentioned a lot but we found it to be very well done.

JetClean scanned the entire registry in just a few seconds and has a well-designed interface.

There are two major things we didn’t like about JetClean. One: The number of cookies that JetClean considers keepable, by default, is a bit excessive. Two: It tries to install a toolbar, but you can decline it during installation.

We also don’t like that there’s not an easily available portable version of JetClean. Yes, one exists, but you have to “generate” one from within the installed version of JetClean on your computer. Strange!

The JetClean registry cleaner supports both 32-bit and 64-bit versions of Windows 10, Windows 8, Windows 7, Windows Vista, Windows XP, and Windows 2000.

4. Auslogics Registry Cleaner

Auslogics Registry Cleaner is another great registry cleaner program—it’s probably one of the easiest registry cleaners to use out of all the tools we’ve tested.

One nice feature of this registry fixer is the extremely detailed reports page. After any cleaning, you can open a document that shows, in detail, everything that the program fixed.

In the settings is where you can access Rescue Center, which is a list of registry backups made before each cleaning. You can edit the settings to keep the backups forever if you never want to lose them.

It’s compatible with modern versions of Windows like Windows 10 and Windows 8, and likely older ones, too.

5. AML Registry Cleaner

AML Registry Cleaner wasn’t part of this list when we first put it together which was an obvious oversight on our part. It’s been the most frequent reader-suggested addition to these programs.

The interface is a bit “old” in style, but AML Registry Cleaner makes up for that with a solid registry search, lots of still-free additional tools, and a long history of not accidentally causing more problems.

AML Registry Cleaner works on both 64-bit and 32-bit versions of Windows 10, 8, 7, Vista, and XP, as well as on some Windows Server operating systems.

Is Glarysoft Registry Repair Safe?

Glarysoft Registry Repair is a legitimate product that does what it says: repair your registry by deleting any invalid keys which no longer contain information. Plus, it’s safe from malware, as proved by its VirusTotal report.

Furthermore, the program automatically backs up the current state of your registry before making any further changes.

That’s what makes the application perfectly safe to use since you can always visit the Restore previous repairs area to revert the registry to a previous backup if your operating system starts acting strange.

Glarysoft Registry Repair is incredibly easy to use. You just have to start the application to trigger an auto-scan on your registry. Then, you just have to let the app get rid of all invalid keys.

There are no additional features, though, which might disappoint certain users looking for more. For instance, the application doesn’t support registry defragmentation.

Nevertheless, considering that it’s a freeware product, Glarysoft Registry Repair does its job very well. It’s fast, creates backups before every registry modification, and doesn’t hamper your system’s performance in the meantime.

Wise Registry Cleaner

Wise Registry Cleaner scans the Windows registry and finds incorrect or obsolete information in the registry. By fixing these obsolete information in Windows registry, your system will can work better and more quickly. After Wise Registry Cleaner analyzes your system for problems, you can individually view each of the problems found and call up a detailed description.

If you wish, you can also have all problems corrected automatically. All changes to your system are monitored by Wise Registry Cleaner and can be undone with a few mouse clicks, so you can use Wise Registry Cleaner feel relieved. It is strongly recommended to back up your data before using Wise Registry Cleaner!

Glarysoft Registry Repair Review

Comprehensive Analysis

It analyzes more than a dozen of different areas in your registry,and can identify up to 18 types of errors. It can also thoroughly scans the Windows registry for errors, invalid entries, Regedit optimization, etc.

Automatically Backup

It creates a backup copy every time you repair the registry, and also lets you add safe registry keys to a white list,so you can use it to restore the registry to the current status in case you encounter some system failure.

Quickly Scan

With a fast, thorough and safe scanning engine , it scans Windows Registry quickly with comprehensive analysis,a quick scan takes only a little time to finish.

Features:

• Highly intelligent engine that finds invalid registry entries.
• High scanning speed with detailed result.
• Make backups of any registry change made.
• Improve system performance and stability.
• Fast, thorough and safe scanning engine.

Best Registry Cleaner For Windows 10

Here is the list of 8 best registry cleaners for Windows 10 computer to fix any kind of registry error-

1. Advanced PC Cleanup

Advanced PC Cleanup is one of the best registry cleaner software for Windows. This PC cleaner tool comes with a devoted module to scan and clean invalid registry entries. It will not only help your computer to function properly but it improves its performance.

Since Windows Registry is responsible for storing the database of the applications, services and devices in the form of registry entries. Whenever it gets corrupted, the system can malfunction or show error messages.

If you want a quick fix to your registry cleaning, opt for the easy steps with Advanced PC Cleanup. It will clean up all the unwanted and unused registry entries on your computer with one click. User friendly interface makes it easy for the user to navigate through the application and clean up the invalid registry entries.

Get Advanced PC Cleanup now and get the additional benefits of the PC cleaning program. As Advanced PC Cleanup is an efficient junk cleaning program for Windows. It allows you to manage the startup programs, uninstall programs, and secure the device from malware. Using Advanced PC Cleanup you can free up disk storage.

2. Wise Registry Cleaner

This registry cleaner software gives you an easy-to-use interface with amazing functionalities to clean and optimize registries. Wise Registry Cleaner offers three types of scans, Fast Scan, Deep Scan & Custom Area.

Fast Scan only scans for safe entries, whereas Deep Scan is for the advanced users, where it scans the system in and out, including ActiveX/COM components, shared DLLs, application paths, and more. In the Custom Area scan, you can manually select the specific areas to scan from the given list of options.

In addition to this, this Windows registry cleaner tool has a System Tuneup module to improve the network, speed up Windows, and stabilize your system. System Tuneup comes with PC optimization techniques to accelerate bootup and shutdown processes. Wise Registry Cleaner comes with Registry Defrag for defragmentation to get your PC running more quickly and stably.

Wise Registry Cleaner is currently available for 32-bit and 64-bit versions of Windows XP, Vista, and Windows 7/8/10. Although this registry cleaner is free, you can upgrade to the Pro version, which is paid.

3. CCleaner Professional

Piriform CCleaner is a freeware PC optimizer and cleaner that cleans junk files, repairs registries, and allows you to fix other system-related issues to improve PC performance. Piriform is best known for its PC cleaning software. CCleaner offers a registry cleaner tool too. It comes with advanced features that clean registry and repairs them as well.

It helps remove unused, old, and invalid registry entries, including File Extensions, ActiveX Controls, ClassIDs, ProgIDs, Uninstallers, Help Files, Invalid Shortcuts, and more. This advanced registry cleaner for Windows also offers a complete backup option; if you later need previous configuration registries, you can quickly restore them.

It offers several other modules to safeguard your system and data. This freeware cleaning tool is compatible with 32-bit and 64-bit versions and is available for Windows 10, Windows 8, Windows 8.1, Windows 7, Windows Vista, and Windows XP.

CCleaner is free, but some of its modules like Defraggler for hard disks, File Recovery, Speccy are only available in its paid version CCleaner Professional. Well, these are the only few features that the free version of CCleaner misses out on.

4. Auslogics Registry Cleaner

Auslogics Registry Cleaner comes with a direct and interactive user interface to let you scan for system registry errors. This registry cleaner application allows you to create a backup and restore points so that you can re-install the previous registry configuration t in case of any loss or error.

It lets you find all registry keys and parameters with the keywords you specify with its Search and Cleanup. Just enter the keyword for the registry and click the Search button to find it. You can filter your searches between section names, parameter names, and parameter values with this feature.

Unlike other registry cleaner tools, Auslogics offers a Rescue Center where you can select Windows registries to backup, which can be restored later whenever needed.

Auslogics also provides users with Ignore List, where you can add the areas that shouldn’t be scanned. This is done to save time and storage.

It is one of the best registry cleaner tools to effectively clear invalid registry entries from your Windows and improve PC performance.

6. WinUtilities Free

WinUtilities is an all in one package for PC cleaning and optimization. It comes with several modules to clean up and optimize your PC. The registry cleaner tool can be found in the Cleanup & Repair module.

It offers a fast and efficient scanning system where you can select the areas for scanning after this and, you can create a restore point for backing up previous Windows registries. It has got a Rescue option, from where you can restore the backed-up registries. Also, it allows you to export the list of errors in an HTML file.

The feature that makes WinUtilities Registry Cleaner outstanding is that it gives an option in app settings to set up several days to delete restore points automatically. This makes the system clutter-free and also gives users time to fix the previous registry repairs.

WinUtilities – PC optimization software is available for Windows XP, Vista, Windows 7, Windows 8/8.1, Windows 10 in both 32-bit and 64-bit versions.

Microsoft Registry Cleaner

When you start your computer successfully, the Windows Registry Checker tool (Scanreg.exe) creates a backup of system files and registry configuration information (including user account information, protocol bindings, software program settings, and user preferences) once daily.

Files that Windows Registry Checker backs up include System.dat, User.dat, System.ini, and Win.ini. This article describes the Windows Registry Checker tool.

Windows Registry Checker automatically scans the system registry for invalid entries and empty data blocks when it is started. If invalid registry entries are detected, Windows Registry Checker automatically restores a previous day’s backup.

This is equivalent to running the scanreg /autorun command from a command prompt. If no backups are available, Windows Registry Checker tries to make repairs to the registry. This is equivalent to running the scanreg /fix command from a command prompt. If the registry contains more than 500 KB of empty data blocks, Windows Registry Checker automatically optimizes it.


Windows Setup runs the Windows Registry Checker tool to verify the integrity of the existing registry before it performs an upgrade. If it detects registry damage, it tries to fix it automatically.


The protected-mode version of the Windows Registry Checker tool (Scanregw.exe) can create a backup of the system files and scan the registry for invalid entries. If invalid entries are detected, it refers to the real-mode version of the Windows Registry Checker tool (Scanreg.exe) for a resolution.


You can configure Windows Registry Checker with a Scanreg.ini file. Settings that you can configure include:

• Enabling or disabling the tool
• The number of backups maintained (no more than five is recommended)
• The location of the backup folder
• Settings to add additional files to the backup set

Registry Cleaner Reviews

Registry cleaners aren’t a magic button you can click to speed up your PC, as scammy PC-cleaning software developers would like you to believe.

The Windows registry is a huge database of settings — both for Windows itself and for programs you install. For example, if you install a program, there’s a good chance that program would save its settings to the registry.

Windows would also save pointers to that program. For example, if the program were registered as the default program for a certain file type, Windows would save a registry entry so it can remember that’s the default program.

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If you uninstalled the program, there’s a good chance it would leave all its registry entries behind. They’d stay in your registry until you reinstalled Windows, refreshed your PC, “cleaned” them with a registry cleaner, or deleted them manually.

All a registry cleaner does is scan your registry for entries that appear outdated and remove them. Registry cleaner companies want you to believe that this would result in big performance improvements so you’ll buy their software.

Here are some promises that registry cleaner tools often make:

• Registry cleaners fix “registry errors” that can cause system crashes and even blue-screens.
• Your registry is full of junk that is “clogging” it and slowing down your PC.
• Registry cleaners also eliminate “corrupted” and “damaged” entries.

Rather than run a registry cleaner, you should just be careful about what you install in the first place. Even if you need to uninstall something later, a few registry entries — or even a lot of registry entries — won’t cause a slow down.

If your computer is hideously slow or crashing frequently, you likely have more problems than a full registry and you’re probably better off reinstalling Windows or refreshing your PC.