Api-ms-win-core-memory-l1-1-6.dll

Open Command Prompt as Administrator and run:

sfc /scannow

This will restore any missing or corrupted system files, including API Sets.

If the error appears when launching a specific program:

The naming convention of Api Sets follows a specific logic: api-ms-win-core-memory-l1-1-6.dll

This specific DLL is associated with lower-level memory operations. It is typically utilized by system-level applications or drivers to manage virtual memory, heap allocation, or memory protection. It is included by default in Windows 8, Windows 10, Windows 11, and corresponding Server editions.

You might see:

These errors occur on:

If you are a developer and your app links to this API Set:

Correct redistributable:
Microsoft.WindowsUniversalCRT (via VC++ redist), not the raw .dll.

Especially if only one app fails, the app may have been bundled with wrong dependencies. Open Command Prompt as Administrator and run: sfc

If you are on an older Windows 10 build (e.g., 1507, 1607), update to at least Windows 10 version 1809 or newer. Windows 7 and 8.x users should upgrade or use Solution 3.

To update:

Note: Windows 7 is not officially supported for API sets beyond l1-1-0. Running modern apps on Windows 7 is not recommended. This will restore any missing or corrupted system

Windows 7 does not include this API Set natively. Install: