Windows is still configuring the class configuration for this device (Code 56) errors are frequently brought on by conflicts between your network adapter and any third-party VPNs that you have installed on your computer.

Users have reported that after updating to Windows version 1709, they lost all network connections, while for some users, it happened after updating to version 1803. Although the version 1803 is known to cause some network issues, these problems can easily be fixed.

Windows is Still Setting Up the Class Configuration for This Device

When you open Device Manager to check your network adapter drivers after losing all network connections, you are greeted with the aforementioned error in the Properties window of the driver. Applying the solutions listed below will help you resolve this problem.

What Results in the Error Message “Windows is Still Configuring the Class Configuration for This Device.” a Windows 10 Error?

Well, from what we have gleaned from reading through a number of user reports, the error is frequently caused by the following things:

  • external VPN. The error is typically caused by the third-party VPN that is installed on your system. The issue arises because of a conflict between your network adapter and the VPN.
  • Update Windows. You may also be at fault if you installed the Windows update. Your network settings/configuration may have been reset as a result, which is why you are experiencing this error.

To ensure you find a quick solution to your issue, please follow the solutions listed below in the exact order that they are presented.

Solution 1: Network Troubleshooter

The first thing you should do when you encounter the aforementioned error is launch the Network troubleshooter.

The troubleshooter will investigate issues with your network adapter drivers and any incompatible third-party applications. As a result, it’s definitely worth a try. How to use the Network Troubleshooter is as follows:

  1. To access Settings, press the Windows Key + I.
  2. Select Internet and Network.
  3. To launch it, click “Network troubleshooter.”
  4. Check if it resolves the problem.

Solution 2: Reset the Network

You will need to perform a network reset if the troubleshooter is unable to identify and resolve the issue. Your entire network configuration will be reset to default after a network reset. This may help with your problem. This is how you do it:

  1. To access Settings, press the Windows Key + I.
  2. Select Internet and Network.
  3. Scroll down to the Network reset button in the Status panel, then click it.
  4. Finally, click “Reset now” in the new window and wait for the process to be finished.

Solution 3: Remove CheckPoint VPN

As we mentioned above, a third-party VPN that is installed on your computer and is incompatible with your network adapter is the main cause of the problem. You’ll need to uninstall the VPN in order to fix this.

Most users have reported using this solution. Therefore, you must use the Control Panel to uninstall any CheckPoint VPNs you may have installed on your computer before restarting it.

Try uninstalling it and restarting the system if you’re using a VPN other than CheckPoint. You will need to roll back to the previous version of Windows, remove any third-party VPNs from your computer, and then perform the upgrade if you upgraded from an earlier version of Windows to Windows 10 and the problem started occurring after that.

Solution 4: Remove Windows Update

You can fix your problem by uninstalling the specific Windows update that caused it to appear if it did so after your system had that update installed. This is how you do it:

  1. To access Settings, press the Windows Key + I.
  2. Select Security and Update.
  3. Select “Uninstall updates” after clicking View update history.
  4. Locate the Windows update you want to remove and double-click it in the new window that appears.
  5. Watch for it to finish.

Solution 5: Clean Install

Unfortunately, you will need to perform a clean installation of Windows if none of the aforementioned fixes have worked for you.

Making a backup of all the important files is advised because a clean install will result in the loss of all the files and documents on your system drive.

Solution 6: Reset the BIOS

In some circumstances, resetting the Bios will solve the problem. To do this, adhere to the steps listed below.

  1. When your computer restarts, press “F12,” “F9,” or “Del” to enter the bios.
  2. The screen ought to have a button designated for Bios reset.
  3. Press “F9” to typically find it, then accept the remaining prompts.
  4. The Bios will be reset by this.
  5. Verify to see if the problem still exists.