In some cases you may have the following error message when you try to start Choregraphe :



VCOMP120.DLL file cannot be found. Without it, Choregraphe won't be able to start. So you have to install it.



How to install VCOMP120.DLL ?


Follow one of the 2 methods described below :


Method 1 (automatic installation)


  • Click the following link to download the Visual C++ Redistributable Packages for Visual Studio 2013 :


The Visual C++ Redistributable Packages install run-time components that are required to run C++ applications that are built by using Visual Studio.

Method 2 (manual installation)

  • Click the following link to download the file :
  • Extract the file.
  • Paste the vcomp120.dll file into the folder C:/Windows/System32/



After following one of these 2 methods, the missing vcomp120.dll file error won't appear anymore and Choregraphe will start correctly.