6 best Windows PC troubleshooting tools [2021 List]

Ivan Jenic
by Ivan Jenic
Troubleshooting Expert
Passionate about all elements related to Windows and combined with his innate curiosity, Ivan has delved deep into understanding this operating system, with a specialization in drivers and driver troubleshooting. When he's not tackling... Read more
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  • Windows 10 troubleshooting tools should be the first line of defence for any PC users.
  • That is why we've compiled a list of some of the best PC troubleshooting tools on the market today.
  • The list includes entries such as Restoro, Tweaking Windows Repair, Iolo System Mechanic, and more.
  • Continue browsing the list below to find the right troubleshooting software for you.
Windows 10 best troubleshooting tools
To fix various PC problems, we recommend Restoro PC Repair Tool:
This software will repair common computer errors, protect you from file loss, malware, hardware failure and optimize your PC for maximum performance. Fix PC issues and remove viruses now in 3 easy steps:

  1. Download Restoro PC Repair Tool that comes with Patented Technologies (patent available here).
  2. Click Start Scan to find Windows issues that could be causing PC problems.
  3. Click Repair All to fix issues affecting your computer's security and performance
  • Restoro has been downloaded by 0 readers this month.

wind8apps troubleshooting tools

Windows operating system, especially Windows 10 Technical Preview could have a lot of bugs, lags and other annoying issues. Sometimes we have to perform various system tweaks in order to fix these problems, and it could be very complicated, and sometimes risky.

But luckily, there are a lot of troubleshooting tools out there that will do all the work for us. Using a troubleshooting tool could save us a lot of time, and is safer than monkeying in our system or registry on our own.

So we’ll present you with the best troubleshooting software and tools for your Windows operating system, and we hope they will help you to solve all your problems.

Which is the best PC troubleshooting software on the market?

  1. Restoro
  2. Tweaking Windows Repair
  3. Advanced System Care
  4. Iolo System Mechanic Pro
  5. Wise Registry Cleaner
  6. Windows System Troubleshooter


Restoro is an all-in-one program that is used to troubleshoot various Windows issues. It uses official Windows registry files to restore and fix system errors and recover from ransomware damage to the system.

It is capable of restoring and fixing broken registry files, removing viruses, clearing broken files, repairing DLL files, and much more.

Recovering from serious virus damage is almost impossible by trying to solve it yourself, we strongly advise to use Restoro or other software from our list.

Restoro is also perfect for RAM optimization which strongly benefits users of professional video editing software or gamers.

By using a specialized app you can save a ton of money on “professional PC repair” which will cost hundreds of dollars.



If your PC is running slowly or is riddled with errors, give Restoro a run and you’ll see how a optimized PC feels like.

Check priceDownload now

System Mechanic Ultimate Defense

System Mechanic Ultimate Defense is one of the most known and most ‘old but gold’ optimization and tuneup utility on the market.

The most notorious features are Windows customization and various recovery tools, troubleshooting options that you can select and customize, an Internet connection tweaker and even an antivirus.

Its interface is intuitive and highlights all the necessary processes you need to do in order to avoid system issues. You will know exactly when you will need to fix your registry, to clean some junk files or to run an HDD defragmentation.

This software comes with a free version that can be used on every PC. However, the paid version includes all necessary features in order to tweak your system.

We recommend the pro version, as it will surely help your PC to improve its performance with all its available features. We also have to mention that it comes with a 30-day money-back guarantee.

System Mechanic Ultimate Defense

System Mechanic Ultimate Defense

Don’t sit around with an error-filled PC. Get it fixed with the help of this incredibly handy software tool!

Free trialDownload

Advanced System Care

There are a lot of third-party system troubleshooting tools for Windows, but we decided to pick Advanced System Care.

Because we think that it is the most trustful tool with a huge number of downloads worldwide. With Advanced System Care you’ll be able to repair, clean, optimize or even speed up your PC.

IObit Advanced System Care

IObit Advanced System Care

Take good care of your Windows 10 Pc with IObit Advanced System Care. Try it now at a special discount price!

Check priceVisit website

Wise Registry Cleaner

Wise egistry cleaner should definitely be on your list of troubleshooting tools. There are a lot of registry cleaners and maintainers out there, but we decided to choose Wise Registry Cleaner.

Run a System Scan to discover potential errors

Restoro Scan

Click Start Scan to find Windows issues.

Restoro Fix

Click Repair All to fix issues with Patented Technologies.

Run a PC Scan with Restoro Repair Tool to find errors causing security problems and slowdowns. After the scan is complete, the repair process will replace damaged files with fresh Windows files and components.

This tool appears to be the best because it provides deep and safe cleaning and of your registry, with a lot of tweaking options.

Wise Registry Cleaner is also very well-designed, and you won’t have any problems to find and perform the desired task.

But cleaning your registry with Wise Registry Cleaner requires rebooting, which could be annoying sometimes, but it is often required to properly change system and registry files in use.

Wise Registry Cleaner

Wise Registry Cleaner

Your registry can be the source of most of your PC-related problems. Tweak and fix them with Wise Registry Cleaner!

Check priceDownload now

Tweaking Windows Repair

Simply stating that your Windows 10 PC has an issue is not exactly correct, since there are hundreds of errors and things that can go wrong in a system as complex as Windows 10.

However, this complex OS can be easily fixed by a simplistic third-party tool that is meant to not only fix pretty much anything on your PC software-wise, but also boost it to new heights.

Tweaking Windows Repair may seem dated, but rest assured that the features and tech that back it up are more than enough to get your error-filled PC up and running to levels comparable to when it was brand-new.

The program is available in two versions, with teh Pro version offering a higher variety of tools, although they are also more complex to use.

Whichever the case, if you are ready to enjoy an error-free Windows 10 experience, go ahead and give Tweaking Windows Repair a go.

Tweaking Windows Repair

Tweaking Windows Repair

If your Windows 10 experience is interrupted by constant errors or slow response times, give Tweaking Windows Repair a go.

Free trialVisit website

Windows System Troubleshooter

Another useful tool for troubleshooting Windows problems is its built-in Troubleshooter. This troubleshooter could solve various system problems, from audio issues to corrupted programs.

Using Windows Troubleshooter is sometimes the best choice, because it doesn’t require downloading and installing any additional software.

To access Windows Troubleshooter, go to Control Panel, and then to Troubleshooting, or simply enter find and fix problems into Search and it will show you all available options for solving your problems.

Hardware Diagnostics Tools

There’s a chance that the main cause of your problem is a piece of your computer’s hardware, and a diagnostic tool that will find this hardware problem is very useful.

So, a special place on our list is reserved not for one, but for three diagnostics tools. CPU-Z, CrystalDiskInfo and RAMBooster.

With CPU-Z you can get almost all information about your CPU, with CrystalDiskInfo you can manage your hard disks, and with RAMBooster you can optimize the usage of your RAM memory.

So with these three tools, you’ll be able to find and solve all your problems caused by your computer’s hardware.

idee restoro Still having issues? Fix them with this tool:
  1. Download this PC Repair Tool rated Great on TrustPilot.com (download starts on this page).
  2. Click Start Scan to find Windows issues that could be causing PC problems.
  3. Click Repair All to fix issues with Patented Technologies (Exclusive Discount for our readers).

Restoro has been downloaded by 0 readers this month.

Frequently Asked Questions

  • If you’re a software novice, you can achieve great results with any of the troubleshooting software solutions we’ve included on our list. However, if you want the best option there is, we recommend you to use Advanced System Care.

  • Yes, Microsoft is well aware that its popular operating system might fail from time to time and provides you with multiple troubleshooting tools that are embedded within Windows.

  • Yes, nowadays it’s easier than ever to troubleshoot various issues by yourself, given the rich collection of options you can use. However, if you’re not sure about something, you might want to contact an expert.