If you’ve landed here after a search engine trip, you’ve probably just tried to launch a game or a new app and been met with that classic, dreaded popup:
"The program can't start because api-ms-win-core-windowserrorreporting-l1-1-1.dll is missing from your computer."
Have a different missing “api-ms-win-” DLL? The same advice applies. These are API set stubs, not traditional libraries.* Api-ms-win-core-windowserrorreporting-l1-1-1.dll
A genuine Microsoft version of this file will be digitally signed by Microsoft Windows.
This won’t replace the “missing” DLL (since it’s not a real file), but it will fix underlying component store issues. Missing api-ms-win-core-windowserrorreporting-l1-1-1
System32.kernel32.dll or kernelbase.dll on a modern Windows system.Specifically, this DLL is responsible for Windows Error Reporting (WER), the service that gathers and sends information about software crashes or freezes to Microsoft for analysis. Common Error Triggers
If you see an error related to this file, try these solutions in order: It’s not a real, traditional DLL that lives in System32
Status: Legitimate and Safe Publisher: Microsoft Corporation Purpose: API Set Stub for Windows Error Reporting (WER)