How to Fix Win32kfull.sys Blue Screen Error in Windows 10/11

What Is the Win32kfull.sys Error?

The win32kfull.sys file is associated with your Windows system and controls lots of graphical functions along with the end-user interface tasks. In case it gets corrupted or fails somehow, then a BSOD will be presented to you.

It means that your screen turns blue, and your workflow gets disrupted; all work will need to get your immediate attention.

Causes of the Win32kfull.sys Blue Screen Error

Several factors can cause the win32kfull.sys error:

• Corrupted or outdated drivers.
• System file corruption.
• Malware infections.
• Faulty hardware components, especially RAM.
• Conflicts between installed software or recently added programs.
• Pending or incomplete Windows updates.

How to Fix the Win32kfull.sys Blue Screen Error

What are you to do, then, to repair the win32kfull.sys BSOD error? Continue reading.

1. Update Device Drivers

One of the primary reasons for win32kfull.sys failure errors is when drivers are outdated or corrupt. To fix this, update your device drivers:

1. Press and hold the Start button and then click on Device Manager.
2. Find categories, and then expand them.
3. Right-click on each, then Update Driver. Then click Search automatically for updated driver software.
4. After updating, restart your computer to see if the error disappears.

To further automate driver update, you can download and use a third-party tool Outbyte Driver Updater.

2. Run System File Checker and DISM Tool

Another possible reason for getting the win32kfull.sys failed to load error is corruption of system files. Run the SFC and DISM tool, which will repair corrupted files:

1. Open Command Prompt as an administrator.
2. Type sfc /scannow and press Enter. This will scan for and attempt to fix any corrupt files.
3. After the scan, type DISM /Online /Cleanup-Image /RestoreHealth and press Enter. Allow the tool to repair any issues.
4. Once completed, restart your computer.

3. Scan for Malware

Malware infection is another probable cause of system file corruption, including the corruption of the win32kfull.sys file. Perform a deep malware scan for any malicious entity’s detection and removal:

1. Using Windows Defender or some other third-party antivirus, such as Outbyte AVarmor, create a deep scan.
2. Isolate or remove any detected threats and reboot your system.

4. Install Pending Windows Updates

Microsoft frequently releases updates to fix bugs and issues, and such updates may resolve the win32kfull.sys BSOD error.

• Click the Windows menu. In the search box, type in update and click on Check for Updates.
• If available, your system will automatically install the updates.

After that, restart your PC and see if the win32kfull.sys error is fixed.

5. Test Your RAM

Faulty or incorrectly configured RAM can be another culprit in win32kfull.sys errors. To test your system for problems with RAM do the following:

1. Type mdsched.exe into the Run dialog and press Enter.
2. Choose Restart now and check for problems.
3. Windows will now restart and run a memory diagnostic. If it finds errors in your RAM, replacing your RAM may be required.

6. Uninstall Problematic Software

Sometimes problematic recently installed software conflicts with your system to bring in the win32kfull.sys error:

1. Go to Settings > Apps > Apps & features.
2. Sort the list by installation date and uninstall any recently added software that may be causing the conflict.
3. Restart your computer and monitor if the error persists.

7. Run the Blue Screen Online Troubleshooter

If all the above steps don’t work, then you can try to run the Blue Screen Online Troubleshooter designed by Microsoft. The troubleshooter has been used by a lot of Windows 10/11 customers to fix the error.

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