If when you try to open a program on your Windows computer you receive an error message The program can’t start because api-ms-win-crt-runtime-l1-1-0.dll is missing from your computer, it either means that Universal CRT, which is part of the Visual C++ Redistributable has either failed to install properly or that the api-ms-win-crt-runtime-l1-1-0.dll file has gone missing or become corrupted. Similar troubleshooting should be following if the error occurs for api-ms-win-crt-heap-l1-1-0.dll.
You may receive this error when trying to open some Adobe Program Files, SmartFTP software, Skype, Autodesk, Corel Draw, Microsoft Office, XAMPP, and so on. The DLL error can occur during loading or launch.
DLL stands for Dynamic Link Libraries and are external parts of applications that run on Windows or any other operating system. Most applications are not complete in themselves and store code in different files. If there is a need for the code, the related file is loaded into memory and used. If the OS or software is not able to find the concerned DLL file in the application installation folder, or if the DLL file is corrupted, you could receive a DLL file is missing message.
Fix api-ms-win-crt-runtime-l1-1-0.dll or api-ms-win-crt-heap-l1-1-0.dll is missing
Before you begin, make sure that your Windows is updated – so check for updates and confirm. Also, run the System File Checker to replace potentially corrupted system files. Reinstalling the program that is throwing up this error may also help. If it does not, then check out the following options.
- Repair the installed Visual C++ 2015 Redistributable package
- Re-register the DLL file
- Update for Universal C Runtime
- Install Microsoft Visual C++ Redistributable Update
- Microsoft Visual C++ Redistributable for Visual Studio.
1] Repair installed Visual C++ 2015 Redistributable package
A corrupted installation or a bad update may necessitate repairing the Visual C++ 2015 Redistributable package.
If you have already installed Visual C++ 2015 Redistributable package, but you receive the error, you might need to repair the program. To do this, open Control Panel and go to “Programs and Features” section. Find out Microsoft Visual C++ 2015 Redistributable (x64) [for 64-bit machine] > right-click on it > select Change button > click on the Repair button.
Related: The program can’t start because AppVIsvSubsystems32.dll is missing.
2] Re-register the DLL file
If the DLL file is present on your computer, but you still receive this error message, you may need to re-register the DLL file.
If the DLL file is missing, then downloading the missing dll file from the internet and pasting it to a particular place is not the actual solution. You can try that method, but you may not get any positive results from it.
3] Update for Universal C Runtime
Download the Update for Universal C Runtime from Microsoft. Install the Runtime component and restart your computer and see. Just for your information, starting with Windows 10, the Universal CRT is part of the operating system.
4] Install Microsoft Visual C++ Redistributable Update
If this does not help, you may need to install Microsoft Visual C++ Redistributable Update from Microsoft here. You need to select the version of Windows ie.64-bit or 32-bit version. Follow the installation process and guide carefully to avoid installation issues or failure.
5] Microsoft Visual C++ Redistributable for Visual Studio
Like the Visual C++ 2015 Redistributable package, some programs use the Microsoft Visual C++ Redistributable for Visual Studio 2017. Maybe you need to install this one. You can find the package on this page.
You can try these solutions mentioned above to fix this problem and see which one of them helps you – else you can always look at the log files for specifics.