
api-ms-win-core-windowserrorreporting-l1-1-1.dll is an "ApiSet Stub DLL," a vital component used by Windows to redirect application calls to the correct system functions related to Windows Error Reporting (WER) Microsoft Learn
Install the Windows Universal C Runtime (CRT)Microsoft released an update to provide the Universal CRT to older versions of Windows. This is the most common fix. Downloading and installing the "Update for Universal C Runtime in Windows" from the Microsoft Support site often restores the missing file immediately.
If after all these steps you still get the error, and you are definitely on Windows 10/11:
The filename you provided contained a typo ( apimswincore... instead of api-ms-win-core... and l111 instead of l1-1-1 ). This report uses the correct DLL name.