WLAN extensibility module cannot start

This article details methods to resolve event ID 10000, which indicates that the wireless LAN expansion module cannot start. This error may appear in the event log of Windows 11/10 PC. The WLAN extensibility module is a component of Windows that allows independent hardware vendors (IHVs) and independent software vendors (ISVs) to provide users with customized wireless network features and functionality. It extends the capabilities of native Windows network components by adding Windows default functionality.

The WLAN extensibility module is started as part of initialization when the operating system loads network components. If the Wireless LAN Expansion Module encounters a problem and cannot start, you may see an error message in the log in Event Viewer with Event ID 10000.

WLAN expansion module failed to start.

Module path: C: WINDOWSSYSTEM32Rtlihvs.dll Error code: 126

The Wi-Fi extensibility module on your Windows 11/10 PC may have encountered an error or conflict, preventing it from starting properly.

WLAN expansion module cannot be started

If the WLAN extensibility module fails to start on a Windows 11/10 PC with event ID 1000, the following troubleshooting steps should be taken:

Disable and re-enable wireless network connections

Restart the WLAN AutoConfig service (Wlansvc)

Update Wireless Adapter Driver

Remove IHV key from Windows registry

Let’s look at this in detail.

1] Disable and re-enable wireless network connections

Disabling and re-enabling wireless network connections can help the operating system re-establish a connection to the wireless network and resolve temporary failures or conflicts.

Enter "Control" in the Windows search bar. Click on the control panel under ‘Best Matches’. The Control Panel window will appear. Click Network and Internet>Network and Sharing Center. Then click on the Wi-Fi network you are connected to.

The Wi-Fi status window will appear. Click the Disable button at the bottom.

Now, click on Change Adapter Settings in the left panel. Right-click the Wi-Fi network and select Enable.

2] Restart the WLAN AutoConfig service (Wlansvc)

If the error persists, please restart the WLAN AutoConfig service. This service is responsible for managing wireless connections on Windows PCs and plays a vital role in the startup of WLANs.

Type "services" in the Windows search bar and click "Services" under "Best Matches" to open the Windows Service Manager (Services.exe). In the details pane, navigate to WLAN AutoConfig under the name.

Right click on it and select properties. On the General tab, select Automatic for Startup type, click Startup, and then click OK.

3]Update wireless adapter driver

This issue may be caused by a corrupted or incompatible driver, so if the above solutions don't work, please update your wireless adapter driver.

Right-click the Start button icon and select Device Manager. Expand the Network Adapters section. Right-click your wireless adapter and select Update Driver.

To reinstall the latest network adapter driver, select the Uninstall device option. When you restart your computer, Windows will search for and download the latest available drivers and install them automatically.

You can also contact the manufacturer of the wireless network adapter or the computer manufacturer to obtain the latest adapter driver. Visit their official website to get the latest driver updates and install them manually.

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