This service exists in Windows 11 only.
Windows 11 version | Home | Pro | Education | Enterprise |
---|---|---|---|---|
21H2 | Manual | Manual | Manual | Manual |
22H2 | Manual | Manual | Manual | Manual |
23H2 | Manual | Manual | Manual | Manual |
24H2 | Manual | Manual | Manual | Manual |
Display name: | Wifi Network Adapter Class Extension |
Service name: | Wificx |
Type: | kernel |
Path: | %WinDir%\system32\drivers\WifiCx.sys |
Error control: | normal |
The Wifi Network Adapter Class Extension service is a kernel mode driver. If Wifi Network Adapter Class Extension fails to start, the error is logged. Windows 11 startup proceeds, but a message box is displayed informing you that the Wificx service has failed to start.
Wifi Network Adapter Class Extension is unable to start, if the Network Adapter WDF Class Extension Library service is stopped or disabled.
1. Select your Windows 11 edition and release, and then click on the Download button below.
2. Save the RestoreWifiNetworkAdapterClassExtensionWindows11.bat file to any folder on a local drive such as SSD or a hard disk.
3. Right-click the downloaded batch file and select Properties.
4. Check the Unblock checkbox and click OK.
5. Right-click the batch file again and select Run as administrator.
6. Restart the computer to save changes.
Note. Make sure that the WifiCx.sys
file exists in the %WinDir%\system32\drivers
folder. If this file is missing you can try to restore it from your Windows 11 installation media.