The error “api-ms-win-crt-string-l1-1-0.dll is missing” is encountered by users when they try to open a certain application or game. Typically it occurs when the user tries to open a certain game, but some users have reported that it shows up when they try to open up a Microsoft Office file.
From our investigations, the issue is only occurring on Windows versions older than Windows 10. Most of the time, the issue is reported occurring on Windows 7.
Warning: Don’t download the so-called “api-ms-win-crt-string-l1-1-0 DLL” file from shady websites that claim to hold a singular copy of it. Most of those sites actually contain a modified version of DLL that contain malicious code.
If you’re looking for a legitimate way to fix the “api-ms-win-crt-string-l1-1-0.dll is missing” error, follow the instructions below. We have managed to identify a solution that is widely accepted as a viable fix for this issue.
How to fix the “api-ms-win-crt-string-l1-1-0.dll is missing” error
The vast majority of users that encountered this issue have managed to fix it by installing the Windows KB2999226 update. To do this, visit this official Microsoft link (here), scroll down and download the package appropriate to your Windows version and architecture.
Once you downloaded the installer, open it and follow the prompts to install it on your computer. Once the installation is complete, reboot your system and check if the issue has been resolved once your PC boots back up.
If the application is still showing the “api-ms-win-crt-string-l1-1-0.dll is missing” error, download Visual C++ Redistributable for Visual Studio 2015, install it on your system and reboot again. Your problem should be solved at the next startup.