4. Update drivers
If you know what part of the hardware is causing the problem, you can try to update the driver to the latest available version.
If the Ddkmd.sys error shows up while using a web browser like Chrome or Edge or while watching videos from YouTube or MediaPlayer; the faulty driver most probably is your display or video card driver.
The best solution to have all your drivers up to date automatically is to use DriverFix.
5. Uninstall DuetDisplay / DisplayLink
DuetDisplay is a software application for macOS and Windows PC that allows the users to use their iPad as the secondary display.
While the software has been developed to increase productivity, some users have reported it to be conflicting with the core functions resulting in Ddkmd.sys error.
If you are using a secondary monitor with your computer, uninstalling any monitor software like the DuetDisplay and DisplayLink can fix the issue. You can uninstall the software from Control Panel.
Make sure you also delete any remaining drivers from the Temporary folder, Program Files, and Windows registry. Follow this article on how to clear leftover files after uninstalling software on Windows 10.
6. Disable / Uninstall Antivirus
If you have an antivirus program installed on your PC, it may be a good idea to disable it temporarily and check if that has any effect on the Ddkmd.sys error.
Antivirus software is known to create conflicts with system files and blocking legitimate connections due to security reasons.
However, if the security programs prevent a genuine program from functioning correctly, it can result in system errors. If you have recently installed an Antivirus program, disable it temporarily.
If the issue gets resolved, you may need to uninstall the antivirus and look for another program. Preferably Malwarebytes, this program is light on your PC and does not create problems with system functions.
7. Restore system to an earlier point
- In the Search bar type Restore and select Create a System Restore option from the search result.
- From the System Properties window, click on System Restore button. This will open a System Restore dialogue box.
- Click on Next button to proceed. Here you can see the most recently created Restore points with time and description.
- Check Show more restore points option to see all the system restore points available on your PC.
- Select one of the restore points and click Scan for affected programs. Doing so will show you which all programs will be affected by this system restore.
- Once decided, click on Next button.
- Now you need to confirm your restore point. Click on Finish button when you are ready.
- The restore process may take a few minutes to complete. Once done, the PC will restart automatically.
Note: Windows PCs come with a System Restore feature by default. When enabled, it creates an automatic restore point before any major update or program installation.
Using the Restore Point, you can restore your PC to a point where it was working without any issues. The PC will uninstall all the software installed between that period.
8. Run a System File Checker
- In the Search bar type cmd.
- Right-click on Command Prompt and select Run as Administrator. If prompted with a permission dialogue box, click Yes.
- In the Command Prompt window, type the following command and hit enter: sfc /scannow
- The System File Checker Tool will now look for any corrupted or missing files and fix them automatically.
Note: Windows OS comes with a built-in command-based system file check tool that can help you with repairing corrupted or missing system files using a cached copy located in the hard drive.
The ddkmd.sys blue screen error in Windows can occur due to several reasons and knowing the exact cause for the problem can be difficult.
However, the best practice is to start with undoing the latest change that you have made to your computer, like uninstalling apps and drivers and removing any hardware.
It is also best practice to keep the PC updated with the latest software update as it can prevent new hardware from creating conflict with old drivers or updates.
Were you able to fix the ddkmd.sys blue screen error using the solutions listed in this article? Do let us know your comments below.
Editor’s Note: This article was originally published in February 2019 and was revamped and updated in February 2021 for freshness, accuracy, and comprehensiveness.