Do you know was open when this error first appeared?
If none of these methods work, the program you’re trying to run might be incompatible with your version of Windows (e.g., an XP-era tool on Windows 11). In that case, consider running it inside a or using Compatibility Mode (right-click the .exe → Properties → Compatibility → Run as Windows 7). extmswinoobequeryl110dll missing install
If that doesn't work, run the Deployment Image Servicing and Management (DISM) tool by typing: DISM /Online /Cleanup-Image /RestoreHealth . 4. Update Windows Sometimes a missing DLL is part of a pending update. Do you know was open when this error first appeared
: This is the most common cause for missing "api-ms-win" or "ext-ms-win" errors. Download and install the latest Visual Studio 2015, 2017, 2019, and 2022 redistributables from the Official Microsoft Support Page . Ensure you install both x86 and x64 versions. If that doesn't work, run the Deployment Image
Share it with other IT professionals or developers who might be troubleshooting legacy MSI and OOBE query tools.