kernel security check failure Windows 10 Pro

A variety of issues can cause this error message. If you encounter this error after upgrading or adding software, try uninstalling the software. We have also seen this issue when switching a laptop between docked and undocked, and is often an issue with the USB drivers.  In some instances, there were also pending windows updates that we not completing. Please ensure Windows has been allowed to fully update prior to shutting down. Try rebooting and checking for updates again to ensure your system is current. 

You can also use the System File Checker tool to repair missing or corrupted system files:

Run the System File Checker tool (SFC.exe)

To do this, follow these steps:
  1. Open an elevated command prompt. To do this, do the following as your appropriate:
    Show all
    Windows 8.1 or Windows 8
    Windows 10, Windows 7, or Windows Vista

  2. If you are running Windows 10, Windows 8.1 or Windows 8, first run the inbox Deployment Image Servicing and Management (DISM) tool prior to running the System File Checker.  (If you are running Windows 7 or Windows Vista, skip to Step 3.) 

Type the following command, and then press Enter.  It may take several minutes for the command operation to be completed.

DISM.exe /Online /Cleanup-image /Restorehealth

Important: When you run this command, DISM uses Windows Update to provide the files that are required to fix corruptions. However, if your Windows Update client is already broken, use a running Windows installation as the repair source, or use a Windows side-by-side folder from a network share or from a removable media, such as the Windows DVD, as the source of the files. To do this, run the following command instead:

DISM.exe /Online /Cleanup-Image /RestoreHealth /Source:C:\RepairSource\Windows /LimitAccess

Note: Replace the C:\RepairSource\Windows placeholder with the location of your repair source. For more information about using the DISM tool to repair Windows, reference Repair a Windows Image.

  1. At the command prompt, type the following command, and then press ENTER:

sfc /scannow
Command Prompt with administrator rights - sfc /scannow
 
 

The sfc /scannow command will scan all protected system files, and replace corrupted files with a cached copy that is located in a compressed folder at %WinDir%\System32\dllcache.
The %WinDir% placeholder represents the Windows operating system folder. For example, C:\Windows.

Note Do not close this Command Prompt window until the verification is 100% complete. The scan results will be shown after this process is finished.

  1. After the process is finished, you may receive one of the following messages:

    • Windows Resource Protection did not find any integrity violations.


      This means that you do not have any missing or corrupted system files.

    • Windows Resource Protection could not perform the requested operation.


      To resolve this problem, perform the System File Checker scan in safe mode, and make sure that the PendingDeletes and PendingRenames folders exist under %WinDir%\WinSxS\Temp.

    • Windows Resource Protection found corrupt files and successfully repaired them. Details are included in the CBS.Log %WinDir%\Logs\CBS\CBS.log.


      To view the detail information about the system file scan and restoration, go to How to view details of the System File Checker process.

    • Windows Resource Protection found corrupt files but was unable to fix some of them. Details are included in the CBS.Log %WinDir%\Logs\CBS\CBS.log.


      To repair the corrupted files manually, view details of the System File Checker process to find the corrupted file, and then manually replace the corrupted file with a known good copy of the file.

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