Several Windows users encountered network adapter error “Windows is still setting up the class configuration for this device (Code 56)” after Windows update 1709 and 1803. This error also occurs when your network adopter conflicts with the installed VPN application.
The affected computer loses all its network connections and status of the network adopter in the Device Manager will be shown as “Windows is still setting up the class configuration for this device (Code 56)”.
So, based on numerous user reports, the possible resolutions for the error message “Windows is still setting up the class configuration for this device (Code 56)” are listed below.
Instructions to Fix Windows is Still Setting Up the Class Configuration for This Device (Code 56):
Step 1: Run Network Troubleshooter
Running Network troubleshooter helps in fixing most of the network driver issues including problems like conflicts with other installed apps.
- So, here is how to run Network troubleshooter.
- Open Settings and select Network and Internet.
- Click Network troubleshooter and wait till the diagnosing process gets completed.
Step 2: Reset Network
If running Network troubleshooter failed to solve the error “Windows is still setting up the class configuration for this device (Code 56)”, then try resetting the network.
- To reset network, click the Network reset link in the Network and Internet wizard.
- Next, in the confirmation window, hit Reset now option. Allow your system to reboot and complete the process.
Step 3: Remove VPN Program
Since the prime cause behind the error “Windows is still setting up the class configuration for this device (Code 56)” is installed third-party VPN software conflicting the network adopter, it is suggested to uninstall the VPN program you have running and reboot the system.
Step 4: Undo Windows Update
If you are facing the error “Windows is still setting up the class configuration for this device (Code 56)”, after updating Windows then uninstall the respective update.
- To do this, open Windows Settings wizard and click the Update & Security button.
- Choose to View update history and select Uninstall updates.
- In Installed Updates window, select the update you wish to remove and hit Uninstall button.
Step 5: Clean Install Windows
If you cannot solve the error “Windows is still setting up the class configuration for this device (Code 56)” using any of the above steps, then the last solution would be to clean install your Windows operating system.
Clean install refreshes the OS and fixes most of the errors, corruptions, virus, and many other system issues.
Caution: It is suggested to copy entire data (or at least your important files from the computer to a safe external hard drive before you start clean installing Windows. Else, you might need to perform data recovery after format and Windows reinstallation, since chances of data loss are maximum after the clean install.
Procedure to Clean Install Windows:
- Boot your computer using a bootable USB drive
- On the Windows Setup screen, click Next
- Click the Install Now button
- Enter the license key. Click I don’t have a product key option if, you are reinstalling Windows.
- Select the edition of Windows you wish to have and hit I accept the license terms to agree
- Choose Custom: Install Windows only (advanced)
- Select and delete all previous partitions
- Select the empty drive and follow the on-screen instructions
This completes the Windows installation. Now, proceed to set up your account and configurations.
