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Old 06-29-2017, 01:57 PM   #3
Chizh
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Default The program can't start because api-ms-win-crt-runtime-l1-1-0.dll is missing

Problem
When you start DCS 2.1.1+ or DCS 1.5.7+ you get the following error message:
The program can't start because api-ms-win-crt-runtime-l1-1-0.dll is missing from your computer.

Cause
The problem is that the KB2999226 (Universal CRT), which is part of the Visual C++ Redistributable, failed to install. The Universal CRT fails to install if the necessary prerequisites (other updates) have not been installed yet.

Solution
1. Install Windows Updates:
Go to Start - Control Panel - Windows Update
Check for updates
Install all available updates.
After the updates are installed, restart your computer.
After the restart repeat the steps above again until no more updates are available.
2. Download the Visual C++ Redistributable:
For Windows 64-bit
Visual C++ Redistributable for Visual Studio 2017 (64-bit)
3. Run the vc_redist.x64.exe (64-bit) or vc_redist.x86.exe (32-bit) and select Uninstall
4. Run the .exe again and select Install

Alternative Solution
If the solution above fails, try installing the runtime manually from:
https://support.microsoft.com/en-us/...ime-in-windows
or consider upgrading to Windows 10.

References
1. Microsoft Download - Visual C++ Redistributable for Visual Studio 2017
2. Visual C++ Redistributable fails to install
3. KB2999226: Update for Universal C Runtime in Windows
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Last edited by Chizh; 06-29-2017 at 03:03 PM.
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