Fix IRQL_NOT_LESS_OR_EQUAL Error: If you are facing the above error code with bug check has a value of 0x0000000A then this indicates that a kernel-mode driver accessed paged memory at an invalid address while at a raised interrupt request level (IRQL). In short, the driver attempted to access a memory address to which it did not have the necessary permission for.


When this occurs in a user application it generates an access violation error message. When this happens in a kernel mode then it generates a STOP error code 0x0000000A. Now if you face this error while upgrading to newer version of Windows then it might be caused because of the corrupted or outdated device driver, virus or malware, antivirus issues, corrupt system file etc.

Fix IRQL_NOT_LESS_OR_EQUAL Error on Windows 10

Now, this error also occurs if there is a mismatch between memory and memory bus controller which can lead to unexpected I/O failures, memory bit-flipping during heavy I/O operations, or when the ambient temperature is raised. So without wasting any time let’s see how to actually Fix IRQL_NOT_LESS_OR_EQUAL error on Windows 10 with the help of below-listed troubleshooting guide.


Make sure to create a restore point just in case something goes wrong.

Method 1: Perform a Clean Boot

Sometimes 3rd party software can conflict with Windows and can cause Blue Screen of Death error. In order to Fix IRQL_NOT_LESS_OR_EQUAL Error, you need to perform a clean boot on your PC and diagnose the issue step by step.

Perform Clean boot in Windows. Selective startup in system configuration

Method 2: Run Windows Memory Diagnostics

Note: If your motherboard’s BIOS has the Memory Caching feature, then you should disable this feature from BIOS setup.

1.Type memory in the Windows search bar and select “Windows Memory Diagnostic.

2.In the set of options displayed select “Restart now and check for problems.

run windows memory diagnostic

3.After which Windows will restart to check for possible RAM errors and will hopefully display the possible reasons as for why you get the IRQL_NOT_LESS_OR_EQUAL Blue Screen of Death (BSOD) error message.

4.Reboot your PC to save changes.

Method 3: Run Memtest86+

Note: Before starting, make sure you have access to another PC as you will need to download and burn Memtest86+ to the disc or USB flash drive.

1.Connect a USB flash drive to your system.

2.Download and install Windows Memtest86 Auto-installer for USB Key.

3.Right-click on the image file which you just downloaded and select “Extract here” option.

4.Once extracted, open the folder and run the Memtest86+ USB Installer.

5.Choose your plugged in USB drive to burn the MemTest86 software (This will format your USB drive).

memtest86 usb installer tool

6.Once the above process is finished, insert the USB to the PC which is giving the IRQL_NOT_LESS_OR_EQUAL Error.

7.Restart your PC and make sure that boot from the USB flash drive is selected.

8.Memtest86 will begin testing for memory corruption in your system.


9.If you have passed all the test then you can be sure that your memory is working correctly.

10.If some of the steps were unsuccessful then Memtest86 will find memory corruption which means that your “IRQL_NOT_LESS_OR_EQUAL” is because of bad/corrupt memory.

11.In order to Fix IRQL_NOT_LESS_OR_EQUAL Error, you will need to replace your RAM if bad memory sectors are found.

Method 4: Run Driver Verifier

This method is only useful if you can log into your Windows normally not in the safe mode. Next, make sure to create a System Restore point.

run driver verifier manager

Run Driver Verifier in order Fix IRQL_NOT_LESS_OR_EQUAL Error. This would eliminate any conflicting driver issues due which this error can occur.

Method 5: Perform System Restore

1.Press Windows Key + R and type”sysdm.cpl” then hit enter.

system properties sysdm

2.Select System Protection tab and choose System Restore.

system restore in system properties

3.Click Next and choose the desired System Restore point.


4.Follow the on-screen instruction to complete system restore.

5.After reboot, you may be able to Fix IRQL_NOT_LESS_OR_EQUAL Error.

Method 6: Run CCleaner and Malwarebytes

1.Download and install CCleaner & Malwarebytes.

2.Run Malwarebytes and let it scan your system for harmful files.

3.If malware is found it will automatically remove them.

4.Now run CCleaner and in the “Cleaner” section, under the Windows tab, we suggest checking the following selections to be cleaned:

ccleaner cleaner settings

5.Once you’ve made certain the proper points are checked, simply click Run Cleaner, and let CCleaner run its course.

6.To clean your system further select the Registry tab and ensure the following are checked:

registry cleaner

7.Select Scan for Issue and allow CCleaner to scan, then click Fix Selected Issues.

8.When CCleaner asks “Do you want backup changes to the registry?” select Yes.

9.Once your backup has completed, select Fix All Selected Issues.

10.Restart your PC to save changes and this would Fix IRQL_NOT_LESS_OR_EQUAL Error.

Method 7: Run SFC and DISM

1.Press Windows Key + X then click on Command Prompt(Admin).

command prompt with admin rights

2.Now type the following in the cmd and hit enter:

Sfc /scannow
sfc /scannow /offbootdir=c:\ /offwindir=c:\windows (If above fails then try this one)

SFC scan now command prompt

3.Wait for the above process to finish and once done restart your PC.

4.Again open cmd and type the following command and hit enter after each one:

a) Dism /Online /Cleanup-Image /CheckHealth
b) Dism /Online /Cleanup-Image /ScanHealth
c) Dism /Online /Cleanup-Image /RestoreHealth

DISM restore health system

5.Let the DISM command run and wait for it to finish.

6. If the above command doesn’t work then try on the below:

Dism /Image:C:\offline /Cleanup-Image /RestoreHealth /Source:c:\test\mount\windows
Dism /Online /Cleanup-Image /RestoreHealth /Source:c:\test\mount\windows /LimitAccess

Note: Replace the C:\RepairSource\Windows with the location of your repair source (Windows Installation or Recovery Disc).

7.Reboot your PC to save changes.

Method 8: Repair Install Windows 10

This method is the last resort because if nothing works out then this method will surely repair all problems with your PC and will Fix IRQL_NOT_LESS_OR_EQUAL Error. Repair Install just uses an in-place upgrade to repair issues with the system without deleting user data present on the system. So follow this article to see How to Repair Install Windows 10 Easily.

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That’s it you have successfully Fix IRQL_NOT_LESS_OR_EQUAL Error on Windows 10 but if you still have any queries regarding this post then feel free to ask them in the comment’s section.

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