Fix: Kernel Security Check Failure in Windows 10 April 2018 Update 1803

Are you getting puzzled with Kernel Security Check Failure in Windows 10 April 2018 Update 1803 with Blue Screen? This error usually occurs because of virus infection, memory, and obsolete driver issues. Your system unexpectedly shows BSOD with certain suggestions when the problem happens.

 

You may see the solutions for Blue screen issue here – Whea Uncorrectable Error and Memory Management Error. Kernel Security Check Failure in Windows 10 April 2018 Update 1803 may come in 4 scenarios –

1. After waking up PC from sleep – Some users reported that after waking their PC from sleep, they face Kernel Security Check Failure with a “blue screen of death“.

2. After upgrading the RAM – The error may also appear when users upgrade a new RAM and start the computer after installing.

3. While playing games – If you are a gamer then you might have already faced interruption while playing your favorite games. Users are getting BSOD that apprise Kernel Security Check Failure in Windows 10 during the time of playing games such as Witcher 3.

4. While using specific apps – It is reported that some specific apps and programs trigger Kernel Security Check Failure in Windows 10 April Update 2018 more frequently than others.

Fix Kernel Security Check Failure in Windows 10 April 2018 Update 1803 Pic 1

Fix: Kernel Security Check Failure in Windows 10 April 2018 Update 1803

There are two likely problems that you could face when this error. Either you will be unable to login to the OS while this error will show up every time you power it up or you will confront Kernel Security Check failure BSOD time to time. We will cover solutions for both the situation one by one.

When Kernel Security Check Failure prevents you from logging in to your system

If you are failing to login to your Windows 10 because of Kernel Security Check Failure in Windows 10 then follow the below solutions –

Solution-1: Enable legacy advanced boot menu

Step-1: Turn on your Windows 10 in Boot mode. If you don’t know the procedure, check out our article How to Boot Windows 10 From USB Flash Drive.

Step-2: When Windows Setup box appears, do a click on Next.

Step-3: After that, make a click on Repair your computer from the following screen.

Step-4: Now a page will ask you to Choose an option. From there, select Troubleshoot and thereafter appoint a hit on Advanced options.

Step-5: Once the new options appear, select Command Prompt.

Step-6: Upon opening, write down C: and hit Enter on your keyboard.

Step-7: This time type in the below-given command and hit Enter.

BCDEDIT /SET {DEFAULT} BOOTMENUPOLICY LEGACY

It will eventually “Enable legacy advanced boot menu”.

Step-8: When the command is successfully performed, type EXIT in order to close the Command Prompt.

Step-9: In the end, go back to Choose an option screen and perform a hit on Continue.

Finally, Start your PC normally and check if the issue is resolved.

Solution-2: Use System File Checker and Memory Diagnostic

1. If your Windows 10 doesn’t start successfully, go to Advanced Startup in order to open “See advanced repair options” menu.

2. When the new window shows up, make a click on Troubleshoot.

3. Thereafter, select Advanced Options and moving ahead, pick up Startup Settings.

4. Now click on Restart located in the bottom right corner of the screen. After doing that, your OS should boot with minimum system requirements info.

5. Once your computer has booted, hover the cursor to the lower left side of the screen.

6. Perform a click on search box located beside Start menu and type cmd.

7. Right-click the result and pick up the option Run as administrator. Now type-in or copy/paste the given-below command and press Enter.

sfc /scannow

You may like to read SFC /Scannow, DISM.Exe, CHKDSK Windows 10.

8. It will immediately start detecting the files on your system. The scan result will make an attempt to resolve the issues if it detects any and will report them to you. When everything finishes, type in Exit and hit Enter to close it.

9. Again go to the search box and this time write memory in the void space.

10. When the result appears, appoint a right-click on Windows Memory Diagnostic and select “Run as administrator“.

11. A pop-up will appear, choose the option namely Restart now and check for problems from there.

See Windows 10 – How to Detect RAM Issues with Windows Memory Diagnostic Tool.

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12. After rebooting, the system will check the “memory of your RAM” and show up the possible reason of getting BSOD.

13. Now Restart Windows 10 PC and check if “BSOD” error resolved.

Solution-3: Check the memory slot

Many times “memory slot” can lead to Kernel Security Check Failure in Windows 10 if it’s not positioned in the right way. Otherwise, it will not function properly. Therefore, it’s important to place the memory slot into the socket correctly.

Experts suggest that it is always safe to replace or change memory slot in which it is plugged into the motherboard.

Once you are done with checking, reboot the computer. And check if the error still continues to occur or not.

Solution-4: Check your hard drive

If above workaround didn’t work, it may possible that the ‘hard drive‘ is not functioning properly. To check the functionality of your hard drive, make sure that it is plugged in correctly into your device. If you use extra hard drive then try to change and see if starts accurately.

When Kernel Security Check Failure occurs occasionally

Now, if you are able to run your system normally and the problem occurs occasionally then you should make an attempt to the below-given workarounds.

Solution-1: Update your PC

To resolve Kernel Security Check Failure in Windows 10 you should use the latest version of Windows 10 on your PC. Microsoft continuously releases an update for Windows 10 in order to improve users experience. In these updates, they include system’s stability and fix for various issues. So it will be wise to keep your PC up to date. To do so, perform the following steps-

Step-1: Make a joint press of Win+I hotkeys to access Windows Settings, the built-in app of the OS.

Step-2: Now make a click on Update & Security category once highlighted.

Step-3: When Windows Update page appears, shift to the right side and click on Check for updates.

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It will check if an update is available for you and once it gets the update, it will be downloaded and installed all by itself.

Solution-2: Perform a full scan

“Virus infection” may also be the reason for Kernel Security Check Failure issue. In that situation, you need to scan your full PC with Windows built-in antivirus Windows Defender Security Center. Here’s how to do it –

• Make a click on Shield icon that already exists in the Notification area. If it’s not there, type defender in Cortana search box. When the result displays, hit a click on Windows Defender Security Center.

• Once it comes into the view, select shield icon from the left pane and then shift to the right.

• Now do a click on Scan options. When a new page appears, select the radio button beside Full scan.

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• Thereafter perform a click on Scan now in order to launch a full system malware scan.

Solution-3: Check your disk for errors

Here, you can run disk check using “Command Prompt” in Windows 10 and to make it happen, pursue the below-mentioned steps.

Type cmd in Cortana search box. When the result shows up, do a right click on Command Prompt and pick up Run as administrator.

Once the Command Prompt appears in the display, write down the following command and hit Enter.

chkdsk C: /f

It will take some depending upon your disk memory. So keep patient and wait until it repairs the error.

Note– You need to replace C with the letter of your “hard drive partition”. chkdsk C: /f command detect the error and bypass logical issues which are affecting your drive. If you don’t use /f parameter, “chkdsk” will display a message by showing the file needs to be fixed but doesn’t fix anything. In order to repair physical issue, you need to run /r parameter.

Solution-4: Run System Restore

If you are confronting this error recently after installing any software, then you may try the “system restore” to fix it. This feature helps you to remove the apps and programs that you added recently. It also allows you to restore the previous configuration without losing files, except few.

You can also use “Reset this PC” options that allow you to clean install the operating system.

Solution-5: Kernel Security Check Failure in Windows 10 after Overclock

Overclock may bring this error on your PC. Therefore, revert your computer to its default settings and uninstall “overclocking software” if you have any. Thereafter Reboot your device to see if the error persists.

That’s it. Above workarounds should solve your problem but if the hardware or Ram of your device is faulty then you have to replace it with a new one.

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