Ext-ms-win-wlan-onexui-l1-1-0.dll Download May 2026

"The program can't start because ext-ms-win-wlan-onexui-l1-1-0.dll is missing from your computer."

"There was a problem starting ext-ms-win-wlan-onexui-l1-1-0.dll. The specified module could not be found."

If the file is corrupted rather than missing, the built-in System File Checker can repair it. ext-ms-win-wlan-onexui-l1-1-0.dll Download

Applications (especially games or launchers) crashing immediately upon startup. Step 1: Run Windows Update

Since this is a system-level "ApiSet" file, the most reliable way to restore it is through official Windows updates. Open > Update & Security > Windows Update . Click Check for updates and install any available packages. Step 1: Run Windows Update Since this is

Wait for the scan to complete. If it finds and repairs files, restart your PC and try launching your application again. Step 3: Install/Repair Visual C++ Redistributables

How to Fix ext-ms-win-wlan-onexui-l1-1-0.dll Missing or Not Found Errors Wait for the scan to complete

If you've encountered a popup stating that ext-ms-win-wlan-onexui-l1-1-0.dll is missing, you are not alone. This specific file is an , a small "virtual" file that tells Windows how to route requests for certain wireless networking and 802.1X user interface functions. When this file is missing or corrupted, applications that rely on WiFi or network authentication may fail to launch, often resulting in error codes like 0xc000007b . Common Symptoms