Report: Investigation into “api-ms-win-core-memory-l1-1-6.dll missing”
Date: March 23, 2026
- For persistent system corruption, perform an in-place repair upgrade (Windows 10/11 Media Creation Tool) which reinstalls Windows without removing files and typically restores missing system components.
Note on Downloads: Avoid downloading individual DLL files from third-party "DLL fixer" websites, as these files can be outdated or contain malware. Always use official Microsoft tools or redistributables.
Appendix: Useful tools
- Restart your PC – A simple reboot can clear temporary glitches causing the error.
- Reinstall the problematic app – Uninstall and reinstall the software that shows the error.
- Run Windows Update – Go to Settings > Windows Update and install any pending updates.
How to Fix "api-ms-win-core-memory-l1-1-6.dll is Missing" Errors
- Run Dependencies tool on the application EXE to find missing imports. Address missing dependencies by installing required runtimes or updating OS.
Symptoms and impact
Example diagnostic output and interpretation