7 Quick Fixes to Kernel Security Check Failure

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Fixes to Kernel Security Check Failure

If you are encountering KERNEL SECURITY CHECK FAILURE issue, you are at the right place. Just to ease the things, it is not a massive problem. Let us dive into it. This error comes with a blue screen and people are afraid of it. There are many reasons for a blue screen, like IRQL_NOT_LESS_OR_EQUAL.

Kernel Security Check Failure

Just as there are many reasons for a blue screen error, there are various reasons for seeing KERNEL_SECURITY_CHECK_FAILURE error. So to solve it, you need to know which one is causing the problem. Let us check the major causes first.

  • Software Conflicts
  • Memory Issues
  • Viruses Infection
  • Drivers Incompatibility
  • Corrupted Windows System Files
  • Damaged or Corrupted Hard Disk or SSD

If you cannot find the exact reason, you can still continue to fixes mentioned below. But before that first, you should run a full virus scan. There is a huge chance your problem will be fixed already. If not then do back up all your important files to somewhere else. This way even if your PC needs a full Windows re-installation you will not lose those.

Another thing to keep in mind is these solutions are based on assuming you can turn your computer on. If this is not the case for you try to make it happen first.

Solutions for Kernel Security Check Failure

1. Memory Issues

Windows Memory Diagnostic
Windows Memory Diagnostic

In case you are having issues with your Random Access Memory (RAM), you can solve it by following these instructions.

1. Press Start and type ‘mdsched’.
2. Select Windows Memory Diagnostic.
3. Select ‘Restart now and check for problems’.

If Windows find any issues change your RAM.

In case you have multiple RAM sticks on your Motherboard you can try to boot with only one of the RAM. If the PC starts up normally you can use it until you get a new one in place of the faulty one.

2. Hard Drive Errors

There are many third-party tools to check for hard drive errors, but if you already do not have one, you can also use the Windows default software.

1. Press Start and type ‘cmd’.
2. Right-click on it and select ‘Run as Administrator’.
3. Click ‘Yes’ to continue with administrator permission.
4. Input CHKDSK e: /f (e is an example, you need to put the drive you want to scan instead of e).
5. type ‘exit’ and hit Enter to close Command Prompt.

If it finds any issue you should change your hard drive.

3. Safe Mode

There is another way to start your computer, called safe mode. In this way, only the necessary software runs to boot Windows. You will not be able to use any kind of third-party software.

But if your PC works fine in safe mode, that means your most recently installed application is not installed properly or have some issues.

If you do not know how to boot in safe mode follow the steps below.

Start Up Settings
Start Up Settings

1. Press Start and open Settings.
2. Then select ‘Update and Security’.
3. Go to Recovery and press ‘Restart Now’.
4. Now your PC will restart with a few options for booting.
5. From them select Troubleshoot.
6. Then Go to ‘Advanced options’.
7. Select ‘Startup Settings’ and press ‘Restart’.
8. After your PC restarts, you’ll see a list of options.
9. Select 4 or press F4 to start your PC in Safe Mode.

In case you immediately need internet access instead of the last step select 5 or press F5.

Now if the problem persists, keep following next steps. On the other hand, if it works fine you should uninstall the last installed program and try re-installing it.

Keep in mind, you should only install software from the sources you trust.

4. Hardware Driver

Update Driver
Update Driver

If you installed new hardware to your system and do not properly install the drivers, you might face the KERNEL_SECURITY_CHECK_FAILURE issue. Also, you might have installed an old version of the driver which can also be the reason.

Another reason could be you recently updated your Windows OS which is not compatible with your previous drivers.

All of these problems can be checked by built-in Driver Verifier Manager tool and you can uninstall, reinstall, or update any driver from it.

1. Right-click on Start and select ‘Device Manager’.
2. Find Disk drives on the interface and double-click it.
3. Select a drive and right-click on it.
4. Click on Update driver.
5. Repeat the process for other drives too.

You can also try that for display, ports, keyboards etc.

5. System File Checker

If there is any corrupted system file, you can repair it with SFC check. It may take a while, but it should do the work.

1. Press Start and type ‘cmd’.
2. Right-click on it and select ‘Run as Administrator’.
3. Click ‘Yes’ to continue with administrator permission.
4. Input sfc /scannow and hit Enter.

6. Reset Windows

Reset this PC
Reset this PC

If none of the above resolutions works you can reset Windows to the original state. Also, if you had previously created any System Restore Point you can revert to that. If not, follow along.

1. Press Start and click on ‘Settings’.
2. Select ‘Recovery’.
3. Then select ‘Get Started’ and choose ‘Keep my files’.

It is going to take a long time and all your previously installed software will be uninstalled. But your data should be safe on the other drives.

7. Windows Re-install

The last option is to install a clean copy of Windows. Do remember to secure your files, and create new drives from scratch.

Wrapping Up

If you follow all the steps you should not encounter KERNEL_SECURITY_CHECK_FAILURE again, especially after resetting or reinstalling Windows. If there are any questions do comment and we will make sure to help you.

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