missing "api-ms-win" dll in Teststand sequence - NI Community

The best course of action is to ensure your Windows is fully updated and to try installing or repairing the latest Microsoft Visual C++ Redistributable packages. If you'd like to explore other troubleshooting steps, here are a few more methods to consider.

If a program’s installation is interrupted, necessary library files like this DLL may not be properly placed in the system.

Run the Deployment Image Servicing and Management tool to fetch clean system files from Microsoft's servers: DISM.exe /Online /Cleanup-image /Restorehealth Use code with caution.

: Only proceed if you are comfortable using the command line.

It is a "stub" DLL, meaning it exists to connect application calls to the appropriate underlying Windows system component, regardless of specific Windows updates. Common Causes of the Error

Downloading this file from third-party websites is dangerous. Because this is an API Set (not a real DLL), downloaded copies are often:

This is the safest way to repair a corrupted or missing system file.

The most definitive fix for an api-ms-win-core-windowserrorreporting-l1-1-1.dll error is updating to a supported operating system. This specific version of the API-set is natively built into and Windows 11 .

: Never download individual DLL files from third-party "DLL fixer" websites. These files are often outdated, incorrect for your version of Windows, or may contain malware. Always use official updates or redistributables. Technical Summary Windows Error Reporting API Dynamic Link Library (DLL) Primary Location C:\Windows\System32 (64-bit) or C:\Windows\SysWOW64 Dependency Universal C Runtime (CRT) To give you the best advice, could you tell me which program is showing this error and which version of Windows you are currently running?

| Exported function | Description | |------------------|-------------| | WerReportCreate | Create a Windows Error Reporting report | | WerReportSetParameter | Add custom parameters to the report | | WerReportAddFile | Attach a file to the report | | WerReportSubmit | Submit the report to Microsoft or a local server | | WerReportCloseHandle | Close the report handle |

: The software requires modern Windows 10/11 system structures.

Despite its technical name, apimswincorewindowserrorreportingl111dll is not a traditional standalone DLL (Dynamic Link Library) file that you can download and install on its own. The "api-ms-win-" prefix identifies it as part of the Windows API Set, or an "ApiSet Stub DLL". In simple terms, think of it as a placeholder or a virtual map that Windows uses to locate and load the correct, underlying system files for the Windows Error Reporting (WER) system.