"The program can't start because ext-ms-win-wlan-onexui-l1-1-0.dll is missing from your computer."
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
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 When this file is missing or corrupted, applications
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. Click Check for updates and install any available packages
Type cmd in your Windows search bar, right-click , and select Run as Administrator . Type sfc /scannow and press Enter .
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