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

were you trying to open when this error first popped up? Knowing the specific software can help narrow down the exact version of the runtime you need.

Users have reported that disabling "Force the use of a specific Steam Play compatibility tool" or selecting the Proton Hotfix can resolve this specific DLL error. api-ms-win-core-memory-l1-1-6.dll missing

Scan antivirus/quarantine & Windows Defender were you trying to open when this error first popped up