The file api-ms-win-core-windowserrorreporting-l1-1-1.dll is a part of the Windows API Set, a system that separates API definitions from their underlying implementations to improve compatibility and maintenance. Technical Profile
5. Common Issues & Troubleshooting
The name gives it away: api-ms-win-core-windowserrorreporting-l1-1-1.dll belongs to the Windows Error Reporting (WER) subsystem. Specifically, it’s part of Microsoft’s API Set Schema—a virtualization layer introduced to help Windows decouple system libraries from the core OS. Api-ms-win-core-windowserrorreporting-l1-1-1.dll
Then:
Unlikely but possible. Malware authors sometimes name their files to mimic legitimate API Sets. Check: The file api-ms-win-core-windowserrorreporting-l1-1-1
api-ms-win-core-windowserrorreporting-l1-1-0.dll (exists)kernel32.dll exports like ReportFault, WerReportCreate, etc.Without this DLL, applications cannot properly report errors to Windows, which can lead to silent crashes, incomplete crash logs, or the inability to generate diagnostic information for developers. api-ms-win-core-windowserrorreporting-l1-1-0
Reinstall the Application: If the error only happens with one specific program, that program's own local files might be corrupted. A fresh reinstall often fixes the link to the necessary system DLLs.