Top Ways to Fix Fatal Errors in Windows 10


While using a PC, you come across multiple types of errors. Some are easy to rectify and do not cause a lot of problems.  However, some of them are too intense to handle, causing fatal errors or corrupting PC.

In this blog, we’ll look at some ways you can fix fatal system errors manually and with a dedicated tool. We will also try to understand exactly what is meant by fatal system errors and what might be the cause behind them.

Effective Ways to Fix Fatal System Errors on Windows 10

Fatal errors tend to shut down all the processes on a computer. If you often find blue screen errors on your PC or corrupt files that have affected your PC’s processing unit, you may look at a severe case of fatal system errors.

These errors are often caused due to bad sectors on your Windows drive, infected registry files, corrupt system files, fatal virus attacks, etc. All these errors seem common; however, their impact can leave your PC unusable.

When you face a fatal issue on your PC, it is due to an application shutting down for unknown reasons or a blue crash screen. Usually, these errors show you a code of the error. These are-

  • FATAL ERROR: Unhandled xxxx exception at xxx
  • “Your PC ran into a problem and needed to restart; just collect some information, and then we will restart for you.

The cause of the issue is simple.  Whenever there’s an issue in running an application or completing a process, your computer passes an exception that helps handle the process’s smooth functioning, irrespective of missing components. When the root system knows the exception, the process runs smoothly. However, if the passed exception is unknown, it is a fatal error.

How to Deal with Fatal System Errors?

There are a few ways you can fix fatal system errors. Some of these require you to perform multiple steps manually, while some can be performed using a PC  optimization tool. Let’s go through them one by one to find out more about them.

Method 1 – Use Advanced System Optimizer Tool

Let’s kick off the methods to handle fatal system errors with the only automated way you can use. Advanced System Optimizer, as the name suggests, is a system optimization application that can help you handle complex maintenance tasks easily with just a few clicks.

If we talk about fatal errors, they put your PC in size and cause multiple problems like –

  • Unidentified bugs
  • Outdated device drivers
  • System crashes
  • System files errors
  • Kernel issues,
  • Bad registry files.

You may overcome the fatal system error by manually handling the issue.  However, it never means that these issues are fixed. To have a perfect PC, you need to fix all the errors from all the sectors of a PC, and Advanced System Optimizer does that for you.

You can download the Advanced System Optimizer by clicking here.

Once you run the application, you can find all the tools you can use to tune up your PC in a single place!

Advanced System Optimizer

If you check the left panel of the tool, you have all the options you may require to handle a fatal error. Let’s quickly go through the crucial tools that can help you handle fatal errors one by one.

  • The first is the Home Screen, where you can find 3 types of scans, Quick Scan, Deep Scan, and Custom Scan. Each of them has a dedicated functionality. To know more, read review of Advanced System Optimizer.
  • The next thing that can be of help to you in handling the fatal issue is the registry optimizer. Click on the options and initiate a registry scan to find the issues. Here also have two options, one is a Registry Cleaner, and another is Registry Optimizer.

registry cleaner

  • After that comes the Windows Optimizers. You can use the Driver Updater option to find all the updates for outdated drivers. This way, you save time and get over the process quickly.

windows optimizer

The tool offers some amazing operations that you can perform and optimize your PC without any hassle. Keep in mind that all the things that you might have to do manually to handle fatal errors can be done automatically using the tool.

Method 2 – Use the DISM command

The DISM command checks the functioning and health of. WIM files, full flash utility files, etc. Basically, it works with the Windows image that you have on your computer to find out the bad sectors.

To use the command, all you have to do is –

  • Press Windows + R on the keyboard to bring up the Run box.
  • In the Run search box, type cmd and hit enter.
  • Once you have opened the command prompt, use the following command –
    dism/image:c: /cleanup-image /revertpendingactions

command prompt

  • With the help of this command, you can initiate the deployment image servicing and management tool.
  • Wait for it to finish processing. After that, check whether the fatal error still pops up.

Method 3 – Use SFC Scan on your PC

The SFC scan can helps in fixing corrupt  system files. Implementing the command is quite easy. However, it takes a PC expert to know how to implement the command.

To run the SFC scan, follow these steps –

  • Insert your Windows image file on your PC and restart the computer in Advanced options.
  • When you restart the PC to fix the Windows setup files, you will find three options – Continue to Windows 10, Troubleshoot, and Turn off. Open the Troubleshoot window.

choose option for troubleshoot

  • In Troubleshoot options you will find two options; one is Reset PC and the other one is Advanced Options.

reset the pc

  • Open Advanced Options. There you will find Command prompt.  Open the Command Prompt Window.

system restore

  • Once you have reached Command Prompt, use the following command


SCANNOW command

  • This command will initiate an analysis of system files to find out corrupt files.
  • Once the process is finished, it will automatically fix the errors that it can. In case some errors are still left, you might have to use another reproach.

Tip : Advanced System Optimizer has a dedicated module to deal with corrupt files so if this is too much work, use Disk Tools module.

Method 4 – Repair Registry Files

The registry files play a crucial role in the smooth functioning of any PC. To resolve fatal errors on a PC, you may be required to repair the registry files. But how?

Windows creates a backup of your registry files, just in case you face a fatal issue. You can simply remove the harmed files and repair them using the backup files for your good. Here’s how to do it –

  • Open your Windows explorer and navigate to the following path –
  • From the given path, copy the files – DEFAULT, SAM, SECURITY, SOFTWARE, and SYSTEM.

system 32 config file

  • Keep them safe in some other folder.
  • Now, in the next step, navigate to the following path and paste the copied files –C:\Windows\System32\Config\Regback

Regback file

  • Paste the files and refresh your system. Check again whether the fatal issue persists.

Method 5 – Keep Your Drivers Updated

The drivers play a crucial role in running so many processes on your system. No matter what you are trying to do on a system, if you have executed a file, there will be a driver engaged with the process. An outdated driver can surely cause the entire system to freeze and hence a fatal error can occur.

To avoid this from happening, make sure you keep all your drivers updated. You can use the tool mentioned above to automatically update the drivers or you can also do it manually by using the following steps –

  • Press Windows + X to open the Quick access menu.

task manager

  • From the menu, Open Device Manager.

device manager

  • In the   Device Manager, choose the component you want to update the driver for. Keep in mind that since it is a manual process, you will have to check for updates one by one. However, if you know what might have caused the error, select the component.
  • Usually, it is the display adapter that causes your PC to face a blue screen crash. Click on the display adapters and check for updates.

display adeptor

  • Click on update driver and select the first option.

search driver automatically

  • Windows will search for the driver automatically and ask you to install them.

Just repeat the process for all components to check and install available updates. It is indeed a time-consuming process. However, it can be shortened if you go for the automated process you can find in the tool.


Fatal system errors on Windows 10 are some of the most typical issues you can face. The best way to handle them is by following the appropriate step and diligently completing the troubleshooting process. Because a single mistake while performing the fix can brick your PC, you have both automated and manual procedures available to resolve the fatal issues. Now the choice is yours! Don’t forget to comment about which technique worked the best for you; good luck!


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About The Author

Dishank Sharma
Dishank Sharma

A creative tech-writer who loves to explore latest tech-trends & convey them to his readers in the simplest way possible. He loves to blend the crispness of technology with a pinch of creativity while curating best practices for the readers. In his free time, he likes to scribble poetry, listen to rap & travel.

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