Api-ms-win-core-memory-l1-1-6.dll Missing Jun 2026
Run the first. If it gives you an option, select Repair ; otherwise, proceed with a fresh installation. Run the x64 installer and follow the same steps. Restart your computer to apply the changes. 2. Run a Full Windows Update
| Aspect | Detail | |--------|--------| | | Virtual API Set contract (not a real DLL) | | Introduced | Windows 10 1809+ | | Main cause | Running new app on old Windows | | Best fix | Update Windows to latest version | | What not to do | Download DLL from shady websites |
Type the following command and press Enter :
Sometimes the UCRT is included with newer Visual C++ runtimes. api-ms-win-core-memory-l1-1-6.dll missing
: Windows system files have become corrupted due to malware, hard drive errors, or failed updates.
The error often appears when a user tries to run modern software on an older version of Windows 10 (or Windows 7/8). The file ...l1-1-6.dll suggests a requirement for a specific API set that may have been introduced in a newer update.
Install all pending updates, including "Optional updates," as these often contain driver and framework fixes. Restart your computer. 2. Install or Repair Microsoft Visual C++ Redistributables Run the first
Scan antivirus/quarantine & Windows Defender
Modern Windows apps (UWP) rely on the App Runtime. If only specific apps (like Calculator or Photos) are crashing, re-register Windows Runtime components.
Remediation steps (ordered, with commands where applicable) Restart your computer to apply the changes
This error often appears when using an incompatible version of In your Steam Library, right-click the game > Properties Compatibility
: For games like Halo Infinite on Linux or Steam Deck, force the use of the Proton Hotfix in the game's compatibility settings.
If all else fails, a repair installation of Windows reinstalls system files while keeping your apps, settings, and personal data intact.