Api-ms-win-core-memory-l1-1-6.dll [best] Jun 2026

Superfetch was trying to optimize the loading of the massive Aetheria assets. It was reaching into the memory management API sets to prioritize the loading. But Aetheria was using a feature called "VirtualAlloc2" (from the l1-1-6 set) which allowed for "hinted" addresses.

It was a relatively modern memory allocation function, designed for high-performance, large-page management. Aetheria used it to stream massive texture assets without hitting the hard drive constantly. According to the documentation, this API set redirected the call to kernelbase.dll or ntdll.dll . api-ms-win-core-memory-l1-1-6.dll

"So it's a Microsoft bug?"

Download and install both the (32-bit) and x64 (64-bit) versions for maximum compatibility. 3. Run the System File Checker (SFC) Superfetch was trying to optimize the loading of

Microsoft frequently bundles these ApiSet DLLs into cumulative updates. designed for high-performance

Overview