api-ms-win-core-version-l1-1-1.dll is a critical system component part of the Windows API Set
You will find this DLL in C:\Windows\System32 as a physical file. Instead, Windows resolves it internally.
(64-bit) versions to ensure all applications work correctly. Run System File Checker (SFC)
How to Fix api-ms-win-core-version-l1-1-1.dll Missing Errors on Windows 64-Bit
If this error appeared while installing Stable Diffusion (Automatic1111) , ensure you have the correct Python version:
Are you encountering this specific system error while attempting to set up a on your PC? Share public link
The error message is a common and frustrating issue for Windows users. This problem typically surfaces when you try to launch modern software, legacy games, or productivity tools like Microsoft Office and Microsoft Word.
The file is a critical system library that serves as an "API set" for the Windows operating system. It functions as a bridge, allowing applications to access specific core functions related to versioning information within Windows. When this file is missing, you may encounter error messages such as "The program can't start because api-ms-win-core-version-l1-1-1.dll is missing from your computer" when launching software like Microsoft Office or various games. Why the 64-Bit Version is Required
This missing file frequently surfaces because an Office update introduces dependencies intended for Windows 10/11 onto Windows 7 or 8 machines. If your issue is tied to Word or PowerPoint, roll back to a stable version: Open a command prompt as an administrator. Navigate to the ClickToRun directory by executing:
These errors frequently arise after software updates (such as Office 365 Build 13001.20384) on unsupported systems like Windows 8. Microsoft Learn Installation and Repair Guide If you are missing this file, do