How to Fix the SYSTEM_SERVICE_EXCEPTION (ks.sys) Blue Screen Error in Windows

The SYSTEM_SERVICE_EXCEPTION (ks.sys) Blue Screen of Death (BSOD) error can occur after upgrading to Windows 10 or 11, especially on laptops with integrated webcams. This error is related to the ks.sys file, which is a Windows kernel component that manages video capture and associated drivers. While frustrating, there are several ways to resolve this issue.

Understanding the SYSTEM_SERVICE_EXCEPTION (ks.sys) Error

The ks.sys file is a critical Windows system component that cannot be deleted or directly modified. This error often occurs due to driver conflicts, outdated software, or hardware issues related to video and audio components.

How to Fix the SYSTEM_SERVICE_EXCEPTION (ks.sys) Error

Enable Safe Mode or Low-Resolution Video

Step 1: Restart your computer and access Advanced Startup options

Step 2: Navigate to Troubleshoot > Advanced options > Startup Settings

Step 3: Choose either “Enable Safe Mode with Networking” or “Enable low-resolution video”

Step 4: Restart your computer and check if the error persists

Update or Rollback Drivers

Step 1: Open Device Manager

Step 2: Expand the “Display Adapters” section

Step 3: If you see two items, try disabling the integrated video card (e.g., Intel HD Graphics)

Step 4: If you see one item, try rolling back the driver or uninstalling it (select the option to delete driver software)

Step 5: Restart your computer

Install Latest Drivers from Manufacturer’s Website

Step 1: Visit your computer or component manufacturer’s website

Step 2: Download the latest version of relevant drivers (video, audio, webcam)

Step 3: Install the drivers in compatibility mode if necessary

Step 4: Restart your computer

Install Generic Webcam Driver (for HP Systems)

Step 1: Open Device Manager

Step 2: Expand the “Imaging devices” or “Cameras” section

Step 3: Right-click on the HP Webcam and select “Uninstall device”

Step 4: Restart your computer to allow Windows to install generic drivers

Run System File Checker

Step 1: Open Command Prompt as administrator

Step 2: Type the following command and press Enter:

sfc /scannow

Step 3: Wait for the scan to complete and restart your computer

Update Windows

Ensure your Windows installation is up to date, as Microsoft often releases fixes for known issues in system updates.

Check for Hardware Issues

Run the Windows Memory Diagnostic tool to check for RAM issues, as faulty memory can cause various system errors.

Additional Troubleshooting Tips

  • Temporarily disable antivirus software, as it can sometimes interfere with system processes
  • If the error started after installing new software, try uninstalling it
  • Perform a clean boot to identify if any third-party services are causing the issue

By following these steps, you should be able to resolve the SYSTEM_SERVICE_EXCEPTION (ks.sys) Blue Screen error. If the problem persists, consider seeking help from Microsoft support or a professional technician, as there may be underlying hardware issues that require expert attention.