Ensure your system is fully updated, as newer Windows updates contain the necessary DLL files, particularly for Windows 8/10 users. Microsoft Learn Settings > Update & Security > Windows Update Check for updates www.threesl.com Method 5: Roll Back Microsoft Office (Forced Fix)
These commands rebuild any missing or corrupted system files, including API Set DLLs. apimswincoreversionl111dll 64 bit install
Never manually copy api-ms-win-core-version-l1-1-1.dll into System32 or SysWOW64 . That will fix the issue and may break Windows. Ensure your system is fully updated, as newer
:: Test functionality with PowerShell powershell -Command "& try Add-Type -TypeDefinition @' using System; using System.Runtime.InteropServices; public class VersionTest [DllImport("api-ms-win-core-version-l1-1-1.dll", CharSet = CharSet.Unicode)] public static extern int GetFileVersionInfoSize(string lptstrFilename, out int lpdwHandle); That will fix the issue and may break Windows
If the error only occurs when launching a specific program (like Microsoft Office or a game):