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Best Windows Repair Tools

When the performance in your Windows computer takes a dive, it might be time to think about acquiring a Windows repair tool. The following list contains some of the best Windows repair tools you’ll find for Windows OS computers in 2021. However, it might be in your best interest to first understand what exactly a Windows repair tool is.

What is a Windows Repair Tool?

A Windows repair tool is software that can help resolve both common and severe file corruption and performance issues on your Windows computer. Utilizing one of these tools will attempt to fix Windows and repair any damaged files you may have to prevent data loss or something more devastating.

1. Restoro


For those struggling with a slow Windows PC that faces frequent crashes, freezes, and blue screens of death (BSOD), Restoro has a great chance at being your one-stop solution. Restoro has rapidly grown its client base in only two years and has become a premiere choice in the repair software market.

Restoro repairs, optimizes and boosts the speed of your device, fixing damaged DLLs and damage caused by viruses and other types of malware. One of the best things about Restoro is its ability to do all of this without the need to reinstall the operating system and without losing any important data, you might have stored on your drive.

The price of Restoro varies based on your needs. It does have a free version, albeit very limited. To get the full service from Restoro, a single-use fix will cost you $29.95. Annual unlimited use on a single license runs a price tag of $39.95. For up to three licenses with unlimited use throughout the year will cost you $59.95.


  • A very complex and powerful repair and optimizing software
  • Easy-to-use and straightforward interface
  • Compatible with Windows XP and beyond
  • Computer scans are free to detect issues before purchase


  • Cannot fix hardware-related issues or third-party programs
  • Customer support is limited

>> Get Restoro <<

2. System Mechanic Ultimate Defense

System Mechanic Ultimate Defense

Consumers will find an all-in-one premium software suite with Iolo’s System Mechanic Ultimate Defense. This software includes seven well-known Iolo products for Windows users: Privacy Guardian, ByePass, System Shield, Malware Killer, System Mechanic, Search and Recover, and DriveScrubber.

The tools offered with this suite will provide PC performance optimization, real-time antivirus protection, on-demand malware removal, online privacy protection, password management, a drive wiper, and a deleted data recovery tool. This will help to enhance security, increase speed, and manage both computer and online activities.

System Mechanic Ultimate Defense comes at a single price point of $79.95, currently on sale for $63.96.


  • Excellent performance to cost value
  • Multiple tools come packed in
  • Easy-to-use design that is highly customizable
  • Very effective


  • Too many features and settings could be confusing for beginners

>> Get System Mechanic Ultimate Defense <<

3. Ashampoo WinOptimizer

Ashampoo WinOptimizer

Ashampoo is a leading developer of PC cleaning and system maintenance software. With WinOptimizer, Ashampoo continues that trend of excellence, building upon its suite of PC cleaning and optimization.

Though it doesn’t bring anything truly new to the table, it does build upon an already solid framework provided by its predecessors. Of course, there are plenty of improvements and optimizations, one of the biggest of which can be found in the suite of PC cleaning tools.

A fully revamped 1-click optimization tool continues to keep the performance of system cleaning and PC maintenance simplified. WinOptimizer will significantly reduce memory consumption in multiple modules, contains a faster drive analysis in Disk Doctor, and features a powerful privacy manager module to disable Windows telemetry.

A free version does a decent job of things, but the real features can be found with a purchase. The single price tag of $29.99 (normally $49.99) is good for up to 10 PCs within your household. There are upgrade perks that provide premium support for two years at an additional $4.95 and the ability to get a hard copy of the software on DVD at $12.95.


  • The price is a relative steal for the value
  • Attractive interface
  • Free version is effective


  • Performance is lacking in comparison to other competitors

>> Get Ashampoo WinOptimizer <<

4. Defencebyte Computer Optimizer

Defencebyte Computer Optimizer

Users in need of a Windows 10 PC repair tool will find DefenseByte Computer Optimizer up to the task. This software can assist in the clean up of your registry, help delete unwanted files and software, and improve overall resource management.

DefenseByte aims to make your computer feel brand new by lifting overall PC performance. The intuitive software makes it incredibly easy to set up and optimize your computer manually or through a regularly scheduled systematized scan.

You’ll be able to clean up your computer’s registry and eliminate useless programs and files to free up hardware space. DefenceByte can also be used as a pseudo-Task Manager, allowing you to track all CPU usage of currently running programs.

A free trial is available to test things out. Those looking to make a purchase will have choices based on how many licenses are required. Each tier is annual and runs from $38.95 for a single system up to $181.95 for ten systems.


  • Easily remove unwanted junk files
  • RAM optimization
  • Increase in PC and browser performance


  • Free version is limited

5. Windows Repair by Tweaking

Windows Repair by Tweaking

Windows Repair by Tweaking is an extensive repair tool used to fix Windows issues and boost PC performance. The developers have provided an exhaustive list of features to combat most problems users are likely to face with their Windows computers.

These problems range from resolving issues with Windows updates to fixing errors found in your computer’s registry. Windows Repair can help identify the source of the problem and effectively dissolve it by returning your Windows configuration to its factory settings.

The free version performs all fundamental tasks, but you’ll want to upgrade to the Pro version to enjoy additional features. The features provided in the Pro upgrade are automatic updates, enhanced window drive cleaner, a memory cleaner, a Windows quick link menu, the ability to run your custom scripts and speed tweaks after repair, and additional performance enhancements.

Prices will vary depending on how many annual licenses are necessary. A single license is $24.95, three licenses for $44.95, and a tech license will cost you $64.95.


  • Decent features for free
  • Fast and thorough
  • Can prevent system crashes
  • Returns PC performance to the original state


  • Not as powerful as most other competitors
  • Possibly too advanced for beginners

6. Tenorshare Windows Boot Genius

Tenorshare Windows Boot Genius

Windows PC having boot-up issues? Tenorshare Windows Boot Genius is a PC repair tool specifically designed to handle such problems. This includes all booting issues one may face, such as startup, rebooting, constant crashes, blue screen of death (BSOD), black screen, etc.

File, password, and key restoration are all features of Windows Boot Genius. Any improperly formatted or corrupted file located on a hard drive can be fixed with this software. Lost access to an administrator password? Windows Boot Genius has a built-in feature to help you recover Windows lost or forgotten passwords.

Not only can Windows Boot Genius restore files, but it can also help you rid your PC of those which have been infected with a virus or malware. It does this by removing the entire boot sector where the infected files are located.

Pricing comes in monthly, annual, and lifetime licenses at $35.95, 54.95, and $64.95, respectively. Each purchase is set to auto-renewal by default, so make sure to change it if you’re no longer interested or in need of the product once the license ends.


  • Great support
  • Built-in file restoration as well as virus-infected file removal
  • Excellent for booting problems
  • Boot repair disks are free to create


  • Outdated interface
  • Free version does not allow you to test the full version’s features

7. IObit Driver Booster 8

IObit Driver Booster 8

With a sleek and modern-looking interface, Driver Booster 8 is one of the better driver update software available. It excels specifically for the role in which it was designed, tracking down more outdated drivers than the competition.

Driver Booster 8 has an easy one-click solution and goes beyond what the standard competitor may provide. The software includes an automatic driver update service, an offline driver updater, and a driver backup solution. Utilizing IObit Driver Booster 8 will allow you to search for drivers without fear of downloading malware.

A free trial version is available, but it expires within 14 days. Afterward, you’ll need to purchase the Pro version, which is good for one PC at $19.95 or up to three PCs, at $22.95 annually.


  • Excels at finding out of date drivers
  • Pro version allows for offline network driver updates


  • Free trial is severely limited
  • Some features require the installation of other IOBit software

8. Fix-It Utilities

Fix-It Utilities

Avanquest’s Fix-It Utilities ensures faster performance by fixing and optimizing PC hard drives. It packs a lot of different optimization tools in addition to the basic defrag and disc cleaners, as well as Windows programs and internet optimizers.

Fix-It Utilities comes with around-the-clock automatic virus, malware, and spyware protection. You’ll find a full optimization scan that will look for problems throughout your Windows computer. Even a shredder feature allows you to destroy files and documents, removing them from your system completely.

The newest version of Fix-It Utilities includes a cloud-based device manager. This feature allows customers to view all integrated PCs, as well as phones and tablets, from anywhere you have an online connection.

Avanquest allows a 60 day money back guarantee so that unsatisfied customers can return the product.


  • 24/7 virus, malware, and spyware protection
  • Includes a cloud-based device manager
  • Optimizes PC speeds adequately


  • Can actually lower overall performance on some systems

FAQs About Windows Repair Tools

What Causes Corrupt Files in Windows OS?

Both system files and user files on a Windows OS computer can easily become corrupt due to a number of reasons. The most frequent complications can be damage to hardware, software failure, improper installation or formatting, a crashing operating system, or virus and malware attacks.

What Can I Do If I Don’t Want To Use The Above Software?

It’s highly recommended that you use a Windows repair tool software to fix and restore your Windows computer. However, if you prefer to dismiss this recommendation, a solution to fix corrupted system files is to reset your computer back to factory settings. You will then have to reinstall your Windows OS.

Does Windows 10 Have Its Own Repair Tool?

Windows 10 does offer its own fix-it tool to fix some problems your computer might face. Problems such as corrupted Windows files and registry keys, a reboot loop or other boot-related issues can sometimes be fixed using either the Windows Automatic Repair or Startup Repair tool. For other complications, you can use the Windows troubleshooter, as it will attempt to locate and resolve the issue.


There are plenty of options at your disposal should you require a Windows repair tool. Regardless of the tool you use, it is important to maintain the performance of your Windows PC so that it can run optimally.

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