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When you start Flux Center, 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.

The problem is that the KB2999226 (Universal CRT) which is part of the Visual C++ Redistributable for Visual Studio 2015 failed to install.


  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

  3. Run the vc_redist.x64.exe and select Uninstall

  4. Run the .exe again and select Install