Missing: Ext-ms-win-oobe-query-l1-1-0.dll

Since this DLL is tied to the OOBE process, re-registering system components via PowerShell can sometimes "wake up" the missing link.

sfc /scannow DISM /Online /Cleanup-Image /RestoreHealth ext-ms-win-oobe-query-l1-1-0.dll missing

If you are a software developer encountering this error while compiling or running your own application, it means your application is linking to an API set that does not exist on the target system. Since this DLL is tied to the OOBE

Since this is not a real DLL, copying a file named ext-ms-win-oobe-query-l1-1-0.dll from elsewhere is . It won’t work and may indicate malware. ext-ms-win-oobe-query-l1-1-0.dll missing

Visit the official Microsoft support page to download the latest redistributables. Install both the x86 and x64 versions. ⚠️ Important Warning