The file apimswincorememoryl1-1-6.dll is a part of the set. Specifically, it belongs to the Microsoft Windows Core Memory library. This DLL (Dynamic Link Library) provides low-level memory management functions that applications depend on to allocate, use, and free memory resources in Windows 10, Windows 11, and Windows Server editions.

Then re-run SFC.

The surge in searches for this file in 2021 was largely driven by software updates that dropped support for legacy systems. Many developers began utilizing the latest Windows 10 SDKs, which rely on newer ApiSets. Users sticking with Windows 7 encountered this hurdle because their system libraries did not natively include the "l1-1-6" iteration of the memory core. The Risks of Manual Downloads