How To Fix WHEA Uncorrectable Error (0x0000124) on Windows 10 Easily

When you start working around important stuff, you suddenly see the Blue Screen of Death with WHEA Uncorrectable Error in Windows 10. The WHEA_Uncorrectable_error comes with the error code – 0xc0000124. Windows blue screen of death is not new to many people out there.

There are many errors that are unknown to Windows users. One such errors is the 0x0000124 error that comes accompanied with a blue screen of death. In this post, we will show you how you can fix the WHEA Uncorrectable error on your Windows 10 PC. Before diving into the fixes, let us understand what is this error all about.

What is WHEA Uncorrectable Error on Windows 10?

WHEA_Uncorrectable_Error (0x0000124) is a common hardware error. This error directly relates to your system’s hardware. Since, this is a hardware issue, Windows fails to resolve this itself. Hence, the system crashes resulting in a blue screen of death. There are many causes of this error which are listed below:

  • Corrupted Hardware (like damaged CPU, GPU, Hard disk, etc.)
  • Voltage Issues (like high voltages or low voltage inputs to the CPU)
  • Corrupted Windows System Files (like Registry files, etc.)
  • Heating Issues (overheated CPU, GPU, etc.)
  • Driver Incompatibility (incompatibility with driver’s version, manufacturer, etc.)

Due to these reasons, you might see a blue screen that says:


Your PC ran into a problem and needs to restart. We’re just collecting some error info, and then we’ll restart for you. (0% complete) If you’d like to know more, you can search online later for this error: WHEA_UNCORRECTABLE_ERROR

WHEA Uncorrectable Error with Blue Screen of Death

On Windows 8.1, the error is listed as WHEA_UNCORRECTABLE_ERROR, while on other versions like Windows 10 mention it as 0x0000124. This error can be fixed with easy fixes mentioned below.

How To Fix WHEA Uncorrectable Error on Windows 10?

1. Check System Hardware For Problems

The WHEA_Uncorrectable_Error reflects issues with the hardware. In case you want to reset your PC, it’s best that you double-check your hardware, before hard resetting your PC.

You need to check if the RAM is secured in the right slots in the right position. You should check for CPU and GPU placements which might lead to this error. Do the same for hard drive as well. If you don’t know to reseat your hardware properly, you can check this video for further help.

Low RAM can also cause the WHEA Uncorrectable Error. If your system is running a lot of program and you see the blue screen of death more often, it might be the time to upgrade your RAM. Upgrading or Installing more RAM helps to solve the 0x0000124 error.

2. Disable Overclocking CPU or GPU

CPUs and GPUs these days are able to overclock to its highest extent. You might have overclock your CPU or GPU in search of higher speeds. As a result, the system might act weird causing WHEA_Uncorrectable_Error.

If you did this, it’s best that you disable it on your PC. To reset or disable overclocking, head over to your PC’s BIOS or UEFI Menu. You can enter your system’s BIOS menu by turning off your PC and pressing BIOS/UEFI menu access keys (like F1, F2, F10, DEL, ESC). These keys might differ from one manufacturer to another one.

Once you enter the BIOS, look for the Overclocking option. You might usually find them under the Performance, System, Advanced, Frequenct or Voltage options.

3. Check For Drivers Errors

Another common cause for the WHEA Uncorrectable error can incompatible drivers. To check for driver errors, you need to open up the Device Manager. To open Device Manager, click on Start and type “Device Manager”, then hit Enter.

Fix WHEA Uncorrectable Error (0x0000124) using Device Manager

Once the Device Manager opens up, check if any driver shows the Yellow Exclamation mark. Try to fix the respective error by right-clicking and selecting either Updating Driver or Uninstalling and Reinstalling the proper driver. Thus shall fix your WHEA Uncorrectable Error if you did the process correctly.


If you fixed possible hardware issues and still couldn’t get rid of the WHEA Uncorrectable Error, then it’s recommended to check for issues on the hard disk’s side. You can do that by running the Windows Check Disk Tool. Windows CHKDSK is a system tool that checks the hard disk for possible errors, and also fixes them alongside.

Fix WHEA Uncorrectable Error (0x0000124) using CHKDSK

To run CHKDSK, click Start and start typing “CMD” and click on Run as Administrator from the right-side panel. Click “Yes” if prompted by UAC. After the Command Prompt opens, type the following code followed by pressing Enter:

chkdsk /r

If it prompts, type y and hit Enter. This will start checking for errors on your hard disk and it’ll fix them along the way. If you were prompted a yes/no, then you might have to restart your PC/Laptop.

5. Reset or Update BIOS

If the above fixes doesn’t work for you, you might need to reset your BIOS. Clearing BIOS might not work for everyone, but resetting the BIOS can fix the WHEA Uncorrectable Error.

To reset your BIOS, head over to the BIOS menu as mentioned in the 2nd option. After you enter the BIOS menu, look for options like Reset BIOS settings, Restore Defaults or something similar to them. Depending on the manufacturer, you might see different options. This might possibly fix the 0x0000124 error on your Windows 10 PC.

After resetting your BIOS, you might want to set the date and time accurately. It is because the BIOS reset completely resets the system’s clock settings.

If that doesn’t work for you, try updating your BIOS to the latest version, if there is any. BIOS updates often bring additional bug fixes to the BIOS firmware. the latest updates to the BIOS might fix your WHEA Uncorrectable Error.

6. Fix BCD Error

Fixing the BCD error might fix your problems of WHEA uncorrectable error. BCD is a boot related issue that might cause the blue screen of death. To fix BCD error, follow the steps below:

> Click Start and type CMD. Then, click on Run as administrator listed on the right-side of the panel.

> Once Command Prompts, type the following commands and press Enter after each one of them.


rem BCD BCD.old

bcdboot C:\Windows /1 en-us /s G: /f ALL


Note that, in the third command, you should mention the Drive Letter where the Windows is installed on your PC.

7. Reset Windows 10 (Final Option)

If no option works for you, the last and final resort is to reset Windows. Resetting Windows will reset the files and drivers on your PC to their initial stages. Remember to take a backup of your files before restting your PC. It’s best to delete the files stored on your Windows installation folder as well.

Fix WHEA Uncorrectable Error (0x0000124) by Resetting Windows 10 PC

To reset Windows 10, go to Settings > Update & Security > Recovery > Under Reset this PC, click Get Started. Go through the instructions and you’ll be good to go. You can choose Keep my files or Remove everything as per your liking.

Your system will reboot several times. It’ll take some time to reset, so make sure that your Laptop is charged if you are using one.


Blue Screen errors are frustrating when you are doing an important task. WHEA uncorrectable error is one of them, and it is easy to fix if you do the fixes mentioned above. When you see WHEA Uncorrectable error or 0x0000124 error, try the above methods to fix your issues. Remember that you always take backup of your files before using these fixes. If you got any questions or suggestions, make sure to leave them in the comments below.

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