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Afd.sys BSoD Error: 7 Ways to Quickly Fix It

Disable the Driver Verifier utility as it can make your PC unstable

5 min. read

Updated onApril 19, 2024

updated onApril 19, 2024

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Key notes

Blue screen errorsare a menace and worse if you don’t know what’s causing them. Luckily, most follow a general rule, and updating your drivers often does the trick. The afd.sys is one such error that affects your network connection.

You will be unable to use the internet until you fix this issue. With that, a few solutions were upvoted by most users when trying to resolve this error.

What is the AFD in Windows?

The AFD Ancillary Function driver is a kernel-mode device driver in the Windows operating system. It allows file systems to communicate with network adapters uniformly.

That being said if you spot the afd.sys BSoD error, you’ll automatically know that it is related to your network. You will not be able to connect to any network when you encounter this error.

If you’re wondering why you are getting this error, below are some possible reasons:

How do I fix the Afd.sys BSoD error?

Before any advanced troubleshooting, try these:

1. Check for Windows updates

2. Run the DISM and SFC scans

Repairing system files can help you fix theAsIO3.sys; which is caused by a driver related to ASUS; read this guide to know more.

If this process seems too complicated and you’re searching for a solution that does it for you, there arePC repair toolsthat will diagnose Windows stop codes and broken system files, repairing them right away.

3. Run a virus scan

4. Update your network drivers

You should opt for adriver updater toolfor a faster and more accurate method. With this utility, you can update all the drivers in one click.

5. Reinstall your network driver

6. Roll back to a previous network driver

7. Turn off the Driver Verifier

Driver Verifier can help you troubleshoot problems like the afd.sys BSoD error. If you have problems with hardware or an application that you think might be related to a recent driver change, you can use Driver Verifier to test your theory.

This utility is perfect for BSoD errors as it works best when a crash occurs and can isolate the drivers responsible. However, you need to be careful with this tool as it can make your system unstable or stop it from working properly.

If you wish to keep this utility on,create a restore pointandback up all your files. In addition, do not run it inSafe Mode, as this environment does not load all drivers, making it impossible to pinpoint the problematic driver.

That brings us to the close of this article, but check out other related errors, such as theRNDISMP6.SYS errorwhich is also a network-related BSoD error.

We’d also suggest that you familiarize yourself withBSoD fixersas they will make the repair process effortless.

Feel free to share any other solutions missing from our list that may have helped you resolve this error.

Afd.sys BSoD Error: 7 Ways to Quickly Fix It#

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

1. Check for Windows updates#

2. Run the DISM and SFC scans#

3. Run a virus scan#

4. Update your network drivers#

5. Reinstall your network driver#

6. Roll back to a previous network driver#

7. Turn off the Driver Verifier#