Fix wdfilter.sys Blue Screen of Death in Windows

Today we will show you How to Fix wdfilter.sys Blue Screen of Death in Windows.

We know that when wdfilter.sys fails, the "Blue Screen of Death" appears and Windows displays a "LOG FILTER DRIVER EXCEPTION" error code.

Wdfilter.sys, in case you don't know, is a system file linked to Windows Defender and its function is to monitor how different applications interact with the Windows registry, ensuring the security of the integrity of the Windows registry. but when this file gets corrupted, Windows shows this error. Therefore today we will explore several methods to solve this problem:

1. Run SFC and DISM, these can scan and repair corrupt files and restore system integrity. For it:

Open the Search menu, type cmd, and run the command prompt as administrator.

Enter the following commands: sfc /scannow Dism /Online /Cleanup-Image /RestoreHealth

Restart your computer

2. Update Windows Defender and Windows, you can check for Windows updates and if any are available, the system will update and install Windows Defender automatically, making sure that the aforementioned issue is not the cause of concern. For it:

Press Windows + I to open Settings.

Click Update & Security.

Select Windows Update in the left side panel, and then click Check for updates.

3. Reset Windows Defender, this default may help resolve this issue. For it:

Search for Windows Security in the search bar

select Application Settings.

Scroll down to the Reset section and select Reset.

4. Update BIOS, to ensure optimal interaction and prevent outdated drivers from causing problems, it is recommended to update the BIOS to its latest version. For it:

You can visit the manufacturer's website.

Click here to see how to update BIOS from different manufacturers, such as: Dell, Lenovo, HP and MSI.

5. Finally and if nothing works you can reinstall Windows, this process removes all potentially corrupted files or software that are causing problems and offers a completely new version of Windows, helping with the problem.

How to Fix wdfilter.sys Blue Screen of Death in Windows

1. Update Device Drivers:

Outdated or Corrupted Drivers: Outdated or malfunctioning device drivers, especially graphics card drivers, can conflict with wdfilter.sys. Perform the following steps:

Device Manager: Access Device Manager through the Start menu search or Control Panel. Locate your graphics card under "Display adapters" and right-click on it. Select "Update driver" and choose "Search automatically for updated driver software." This will attempt to find and install the latest driver from Windows Update.

Manufacturer Update: If the automatic update fails, visit your graphics card manufacturer's website (e.g., NVIDIA, AMD) and download the most recent driver compatible with your specific graphics card model and Windows version. Follow the manufacturer's installation instructions carefully.

2. Address Windows Defender Exploit Protection:

Temporary Exploit Protection Disable (for Testing): As a troubleshooting measure, you can temporarily disable Exploit Protection to identify if it's causing the BSOD. Caution: Only perform this step briefly for testing purposes and ensure it's re-enabled afterward, as it leaves your system vulnerable to certain exploits. Search for "Security & Windows Update" settings and navigate to "Exploit protection settings" to disable it temporarily.

System File Checker: Run the System File Checker (SFC) tool to scan for and repair corrupted system files, potentially including wdfilter.sys. Open an elevated Command Prompt (search for "Command Prompt," right-click and select "Run as administrator"). Then, type sfc /scannow and press Enter. This will scan your system and attempt to fix any corrupted files.

3. Identify Conflicting Software:

Third-Party Software Conflicts: In rare instances, third-party software might conflict with wdfilter.sys. Consider the following:

Uninstall Recent Software: If the BSOD started after installing new software, try uninstalling it to see if the issue resolves.

Temporary Antivirus Disable (for Testing): Temporarily disable your antivirus software to identify potential conflicts. Remember to re-enable it afterward for continued protection.

Additional Considerations:

System Restore: If the BSOD is recent, consider performing a system restore to a point before the issue began. This can revert your system state and potentially eliminate the conflict. The specific steps to perform a system restore will vary depending on your Windows version.

Windows Update: Ensure you have the latest Windows updates installed, as they often include bug fixes and driver updates that can address compatibility issues.

We hope that with this guide you can solve this problem effectively, but if the BSOD still persists after trying these solutions, it is always best to seek help from Microsoft support or a qualified IT professional. Since they can provide a more detailed and specific solution for your system configuration and identify any underlying hardware or software problems quickly.