Api-ms-win-core-windowserrorreporting-l1-1-1.dll [extra Quality] Jun 2026

Some aggressive antivirus programs may mistakenly quarantine this system file. Conversely, malware may have replaced it with a malicious version.

"The program can't start because api-ms-win-core-windowserrorreporting-l1-1-1.dll is missing from your computer." Api-ms-win-core-windowserrorreporting-l1-1-1.dll

"There was a problem starting api-ms-win-core-windowserrorreporting-l1-1-1.dll." How to Fix the Missing DLL Error Common Error Messages In the complex ecosystem of

Because it is an "ApiSet" file, it is deeply integrated with the and the Universal C Runtime (CRT) . Common Error Messages Install all pending updates

In the complex ecosystem of Windows operating systems, DLL (Dynamic Link Library) files are the silent workhorses that keep applications running smoothly. One file that occasionally surfaces in error messages is Api-ms-win-core-windowserrorreporting-l1-1-1.dll . Despite its intimidating name, understanding this file—and learning how to fix related errors—is simpler than you might think.

Install all pending updates, including "Optional Updates," and restart your PC. 2. Reinstall Microsoft Visual C++ Redistributables