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Tunnel.sys: What is it? [Download & Fix BSoD]

This BSoD error is likely caused by problematic drivers

5 min. read

Updated onOctober 4, 2023

updated onOctober 4, 2023

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Key notes

Tunnel.sys, a Microsoft Tunnel Interface Driver file under the Win32 EXE (Driver) category may get corrupt and result in a random blue screen crash.

If you are greeted with the messageYour PC ran into a problem and needs to restart, and tunnel.sys is stated as the reason for it, walk through this guide to discover the possible solutions.

Why do I get the tunnel.sys BSoD error?

The tunnel.sys BSoD error can occur for several reasons. The most prominent ones are as follows:

If you also encounter this BSoD error on your computer, you can implement the methods provided in the guide to resolve the problem.

How do I fix the tunnel.sys BSoD error?

Before you proceed to the complex solutions listed below, try the following workarounds.

If these methods did not help get past this BSoD error, employ the following fixes.

1. Restart your PC in Safe Mode

Now try the several troubleshooting methods listed below to resolve the tunnel.sys BSoD error.

2. Create a new user account

3. Run SFC and DISM scans

System File Checker will scan your PC to repair the corrupt system files, and the DISM tool scans and replaces the faulty Windows system images with the original file stored in the compressed folder.

After the scanning process gets completed, restart your computer and verify the tunnel.sys BSoD error has been resolved.

4. Run Driver Verifier

Note the name of the problematic driver triggering the error code. You can then troubleshoot the issues with that driver to resolve the Blue Screen of Death error code.

The Driver Verifier runs in the background to test all the drivers and detect and troubleshoot theunderlying driver issuesand instabilities, such as the BSoD crash with the tunnel.sys error.

5. Reset your PC

Follow the step-by-step procedure to reset your PC. Reinstalling Windows will remove all the misconfigured settings and will restore the system files to get rid of the tunnel.sys BSoD error.

That’s all about it! We’re sure that this guide helped you troubleshoot the tunnel.sys BSoD error code without needing any external help.

In case, you run into thert640x64.sys errorduring a BSoD screen crash, this guide will help you troubleshoot the issue.

If you have any queries or suggestions for us, feel free to drop them in the comments section below.

Tunnel.sys: What is it? [Download & Fix BSoD]#

Why do I get the tunnel.sys BSoD error?#

How do I fix the tunnel.sys BSoD error?#

1. Restart your PC in Safe Mode#

2. Create a new user account#

3. Run SFC and DISM scans#

4. Run Driver Verifier#

5. Reset your PC#