How to fix Win32kfull Sys BSOD 2022: Top Full Guide

How to Fix Win32kfull Sys BSOD 2022: Top Full Guide

Windows 10 users are reporting that they are experiencing the dreaded blue screen of death (BSOD) after installing the latest cumulative update. A Win32kfull sys BSOD is a type of blue screen error that can occur on a Windows 10 device. This error is usually caused by a driver issue or a system file corruption. In this article,

Dreamcheeky will walk you through the steps to fix this error. Let’s dive in.

What is win32kfull sys BSOD?

what is win32kfull sys bsod

Blue screen error win32kfull.sys occurs when Windows 10 OS is upgraded to the next Build version. This can be fixed by simply uninstalling any update that may have caused the problem. In case you haven’t installed any security/non-security patch recently on your computer, the problem must be due to system-level corruption.

What Causes win32kfull.sys Blue Screen Error?

What Causes win32kfull.sys Blue Screen Error

These are the most common causes of win32kfull.sys BSOD Windows 10: You can identify the root cause and fix it accordingly.

  • Win32kfull.sys BSOD will occur if your computer has incompatible or outdated drivers
  • If the PC has any faulty registry keys while installing/uninstalling any incompatible program, the error is more likely to happen.
  • Prevalence of malware on PC and conflicts between hardware devices.
  • Win32kfull.sys BSOD Windows 10 will occur if there are missing or corrupt program files.
  • Memory issues and corrupt RAM in your PC

How do I solve the win32kfull.sys a blue screen error?

How do I solve the win32kfull.sys blue screen error

Update all your available drivers

The driver software that causes win32kfull.sys errors could be the cause. This problem can be solved by updating the driver software on your device.

You have two options to update your device drivers manually or automatically.

Manual driver update – You can manually update your drivers by visiting the manufacturer’s site for your device and looking for the correct driver. Make sure you only choose drivers that work with your Windows version. You will then need to verify each device for updates.

Driver Easy automatically updates – If your computer skills, time, and patience are limited, Driver Easy will do the job for you. Driver Easy will recognize your computer and locate the correct drivers. Then it will download them and install them correctly.

Install driver easy

  • Start Driver Easy and click on the Scan Now button. Driver Easy will scan your computer and identify any problems with drivers.
  • To automatically download and install the correct driver version, click the Update button beside any flagged driver. You can also do this with the free version.
  • Click Update All to download and install all missing or out-of-date drivers automatically. This requires the Pro version, which includes full support and a 30-day guarantee. Click Update All to be prompted for an upgrade.

Update all your available drivers

  • Please restart your computer after updating the drivers. This will make the new drivers take place. You can check if the blue screen has disappeared.

Update your Windows system

Microsoft is constantly working to improve and repair the Windows system files. Upgrading your windows can bring about improvements. Sometimes, installing the Windows update can fix the win32kfull.sys problem. Follow these steps:

  • Windows 10 users
  • Windows 7 users

Windows 10 users:

  • Type update in search box starting at Start. Next, click on Check for updates in the search results.

click on Check for updates in the search results.

  • Click on Check for updates
  • Windows will then scan for updates and automatically install any updates that are found.

Windows will then scan for updates and automatically install any updates that are found.

  • Reboot Windows 10 to verify that the win32kfull.sys error has been resolved.

Windows 7 users:

  • Type update in the search box starting at Start. Next, click on Check for updates.
  • Click on Check for updates

Check for updates win 7

  • Windows will then automatically check for updates. Click Install updates if there is an update.
  • Reboot Windows 7 to verify that the win32kfull.sys error has been resolved.

Run System File Checker

Run System File Checker

System File Checker can be used in Windows to scan and repair corrupt system files. Win32kfull.sys is not an exception.

To run System File Checker

  • Type cmd into the Start search box. Next, press Ctrl + Shift simultaneously on your keyboard. Click Command Prompt (Windows 10), or cmd (Windows 7), from the result.
  • When prompted by User Account Control, click Yes.
  • In the black open window, type “sfc/ scannow” and hit Enter.
  • Windows will now automatically scan and repair your system files. This process can take around 15 minutes. Wait until the verification is complete.
  • Once it is done, restart your computer to check if the win32kfull.sys error has been fixed.

Repair corrupted system files with Reimage

Reimage is a specialist in Windows repair. Reimage scans your system file and replaces any that are missing or corrupted. It works like a clean Windows installation in just one hour. You won’t lose any settings or user data.

  • Download and install Reimage

Wait for Reimage scans your computer.

  • Click Yes to open Reimage. This will perform a free scan on your computer and give you a detailed report about its current state.
  • Wait for Reimage scan your computer. This could take several minutes.

After the Scan is complete, you can view a summary of all issues. You can review the summary of any issues found after the Scan is finished. The full version comes with a 60-day money-back guarantee.

To begin the repair process, click on START REPAIR.

To begin the repair process, click on START REPAIR.

Reinstall your newly installed program

The blue screen error win32kfull.sys that appears after installing a program to your Windows is very likely caused by an error in the program. You can follow the instructions to uninstall and reinstall your newly-installed program.

To uninstall your recently installed program:

  • Type features you are looking for in the search box at Start. Next, click Apps & features (Windows 10), or Programs And Features (Windows 7).

Apps & features

  • Click on the program you wish to uninstall.
  • Follow the instructions on the screen to complete the uninstall.

To reinstall the program

The installation file for the program can be downloaded from the official website of Microsoft. Avoid downloading programs from unsafe websites. Once the program is downloaded, install it on your computer.

Restart your computer to confirm that the win32kfull.sys error has been fixed.

Check your RAM

RAM (random-access memory) is a type of computer data storage. Win32kfull.sys is another error that can be caused by RAM corruption. It can be fixed by checking the RAM.

If you have just installed a new one, you should first remove any memory from it. After the removal, check if the error has disappeared. Replace the memory if the error persists. Instead, check your RAM.

These are the steps to test your RAM

  • Save your work and close all programs on Windows.
  • Enter memory in the search box starting at Start.
  • Click on Restart now and check for problems.

Restart now and check for problems

  • Now, restart your windows and check RAM.
  • After it is done, you can check to make sure the win32kfull.sys error has been fixed.

Run the Blue Screen troubleshooter

BSODs can be quite common in Windows. The operating system now includes a BSOD troubleshooter, which is designed to help identify any potential problems. The troubleshooter will identify any problems and recommend solutions. They can then be applied without much user intervention.

Here’s how to run the BSOD troubleshooter.

  • Start Windows Settings by pressing Win + I simultaneously.
  • In the Settings window, go to the Update & Security section.

In the Settings window, go to the Update & Security section.

  • Next, select Troubleshoot in the left pane. Click on Additional troubleshooters to the right.
  • Click on Blue Screen to the right of the window.
  • Click on the Run the Troubleshooter button.

Click on the Run the Troubleshooter button.

  • This will initiate a scan to check for problems within the system. It will then recommend how to fix any issues it finds. Click Apply this fix, and then wait for the process finish.
  • Close the window, and then check again if the error occurs.

Install the Optional Updates

The problem could have been caused by the pending update if you first encountered the problem after installing the update. Microsoft releases an update with a hotfix in these cases.

These updates are known as “Out-of band” updates. They can be found under the Update & Security section in Windows Settings. Follow the below steps to install optional updates if this is your situation:

  • Start Windows Settings, and navigate to the Updates section.
  • Click Windows Update in the left pane.
  • Click on the View All Optional Updates link at the top of the window.

Click on the View All Optional Updates link at the top of the window.

  • Click on the Download and Install button in the next window.

Download and install optional updates

  • Once you have downloaded the updates, restart the computer to verify that the problem has been fixed.

Use Windows Memory Diagnostic Tool

Windows Memory Diagnostic Tool provides a free memory diagnostic tool to identify any problems with system memory that could be triggering win32kfull.sys BSOD. The tool is simple to use and will reboot the system after resolving any errors. To use Windows Memory Diagnostic Tool, follow the steps below.

  • Click on the Windows key, and then type Windows Memory Diagnostic into the search bar.

Windows memory diagnostic

  • Click on Restart Now and check for problems (recommended). This will allow you to scan your computer for any memory issues.

Note: before you start: Save your work, close all open programs, and save it.

  • After a restart, Windows Memory Diagnostics Tool should now open. Hit the F1 key again to open Options.

Windows memory diagnostic tool

  • Use the arrow keys here to navigate to Extended and hit F10 for Apply.

Note: Extended tests include all standard tests plus MATS+ (cache disabled). Stride38, WSCHCKR, WStride-6. CHCKR4, WCHCKR3, ERAND and Stride6 (Cache disabled).

  • Wait for the memory test to complete (this may take several minutes). Then, check to see if there are any errors. Note down any errors and troubleshoot them as needed. Hit ESC to exit the tool.

Use Windows Memory Diagnostic Tool

Run Malware Scan

Malware attacks may cause the win32kfull.sys BSOD. Infecting the computer with malware could cause the error.

Update Drivers

If your drivers are out-of-date, you can see the win32kfull.sys BSOD issue. Incompatible drivers frequently cause the same problem. Update all the drivers on your computer as directed below to prevent any errors:

  • Press the Windows key, enter “Device Manager,” and select “Open.”
  • Network adapters will be visible in the main panel; double-click on it to enlarge it.
  • Update driver by selecting it from the context menu of the network driver, such as Intel(R) Dual Band Wireless-AC 3168.

Update driver

  • To find and install a driver automatically, select the option to “Search automatically for drivers.”

5A. Now, if the drivers are not updated, they will be upgraded to the most recent version.

5B. The screen shows the following message if they are already updated: The best drivers for your device are already installed.

search for updated drivers on windows update

  • To close the window, click Close.

Uninstall Recent Updates

You might experience the same problem when you update Windows OS. In this instance, uninstall any recent updates from your PC. After uninstalling a corrupt update, your computer will be stable again. Here’s how you do it.

  • To open the Run dialog box, press and hold Windows + R keys together.
  • Enter appwiz.cpl in the box shown.
  • Click on View installed updates.

View installer updates

  • Click on Uninstall to select the most recent update.

Uninstall a program

  • If there is one, confirm the prompt and restart your computer.

Clean Boot PC

You can fix the problem with win32kfull.sys BSOD Windows 10 by performing a clean reboot of all necessary services and files on your Windows 10 system. This is described in this article.

To perform Windows clean boot, make sure you are logged in as an administrator

  • Start the Run dialog box and type msconfig before clicking the OK button.
  • The System Configuration window opens. Next, switch to Services.

The System Configuration window opens. Next, switch to Services.

  • Check the box next to Hide all Microsoft services, and click on Disable all button as shown highlighted.
  • Go to the Startup tab, and then click the link for Open Task Manager.

Go to the Startup tab, and then click the link for Open Task Manager.

  • The Task Manager window will now open. Move to the Startup tab.
  • Click on the Disable button in the lower right corner to disable startup tasks that aren’t required.

Click on the Disable button in the lower right corner to disable startup tasks that aren't required.

  • Close Task Manager and System Configuration. Restart your computer.

Perform System Restore

After updating your Operating System, you may encounter the mentioned problem. You can restore Windows 10 to the previous version if you encounter this issue.

Reset PC

If none of the above-mentioned methods have worked, you can try the following:

  • To open Settings within your system, press the Windows + I keys together.
  • Choose Update & Security
  • Click on the Recovery option to get started.

Click on the Recovery option to get started.

  • Select an option from Reset this computer window.

The Keep My Files option will allow you to delete apps and settings but preserve your personal files.

The Remove all option will delete all of your personal files, settings, and apps.

  • Follow the instructions on the screen to complete the reset procedure.

Uninstall lately installed applications or Cumulative update

You might have accidentally installed a corrupt Windows 10 update if the win32kfull.sys problem continues to occur. To fix the problem, uninstall the most recent update from your device.

Also, if you have previously installed new drivers or applications, be sure to undo the action. Booting Windows 10 in Safe Mode is the best way to find out if corrupt software has been installed.

If the blue screen does not appear while you are in the Clean boot state, it is likely that one of your apps has been corrupted. This is because third-party apps or services can’t be started in the Clean boot state. If the error persists, please see our next set below.

Run CHKDSK to fix win32kfull.sys

Run CHKDSK to fix win32kfull.sys

Windows 10 can be affected by hardware problems. It is best to determine if the HDD is in good condition. Here are some ways to check the hard drive for possible corruption.

  • To launch the Run dialog, press Win + R.
  • Enter “cmd” into the text box and then press Ctrl + Shift+ Enter.
  • This will activate the Command Prompt with Administrator rights.
  • Copy/paste below code from the elevated console and hit Enter.
    chkdsk C: /f /r /x
  • After that, scanning will not begin immediately. Instead, you will get a message saying “Chkdsk can’t run because the volume has been used by another process.”
  • This will suggest scheduling the hardware test for the next system restart. Type “Y” and hit Enter again.
  • Start Windows 10 again to allow scanning to begin.
  • After the tool has finished checking for corruption on your computer it will produce a report that can help you determine if your HDD needs to be replaced.

Do a Full Scan using Windows Defender

Blue screen error win32kfull.sys may be caused by malware or viruses. You can run a scan of your computer using Windows Defender to verify that this is indeed the case. If the Scan reports viruses, you should remove them or, at minimum, quarantine them.


The win32kfull sys BSOD is a critical error that can occur on Windows 10 computers. We hope our post can help you deal with this problem. If you have any questions, feel free to contact us. We’re glad to hear from you.


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