api-ms-win-crt-runtime-l1-1-0.dll_
api-ms-win-crt-runtime-l1-1-0.dll Is Missing
When Windows 10/11 throws api-ms-win-crt-runtime-l1-1-0.dll, the system diagnostics have flagged a condition known as "api-ms-win-crt-runtime-l1-1-0.dll Is Missing". Most fixes for this error are straightforward and don't require wiping your drive.
What Actually Happened
A shared support library is missing. Reinstalling the Universal C Runtime, delivered via Windows Update or the UCRT redistributable solves this.
Symptoms
App fails to launch with 'api-ms-win-crt-runtime-l1-1-0.dll was not found'
Common Causes
- the Universal C Runtime, delivered via Windows Update or the UCRT redistributable is missing or corrupted on this PC
How to Fix It
-
01
Reinstall the Universal C Runtime, delivered via Windows Update or the UCRT redistributable from Microsoft official downloads
-
02
Run system repair:
sfc /scannow
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Root Cause Breakdown
Application dynamically linking against api-ms-win-crt-runtime-l1-1-0.dll failed at runtime entry.
Should You Worry?
Low risk. Only affects the specific application.
Power-User Tip
Install both x86 and x64 redistributables, even on 64-bit Windows.
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