| Cause | Explanation | |-------|-------------| | | API Set DLLs don't exist. Apps compiled for Windows 8+ fail. | | Corrupted Windows installation | System files missing or damaged. | | Incorrect SxS / manifest configuration | App explicitly binds to wrong API contract version. | | Malware / manual deletion | User or virus removed system file. |
: This built-in tool can repair corrupted or missing system files. Command Prompt as an Administrator. sfc /scannow Reinstall the Application Api-ms-win-core-file-l1-2-2.dll