Missing VCRUNTIME140_1.dll on Windows

When trying to run Dissolve on Windows 10, a missing DLL (VCRUNTIME140_1.dll) error is raised, and the code will not run.


The Windows version of Dissolve is built using Visual Studio, and the necessary runtime libraries from Visual Studio are not included in the installer or zipfile packages for Dissolve.

The correct dll can be installed from Microsoft’s official Visual Studio site Download Visual Studio 2019 for Windows & Mac

  • Find the All Downloads section towards the bottom of the page linked to above.
  • Open the “Other Tools, Frameworks, and Redistributables”
  • Select the x64 version of " Microsoft Visual C++ Redistributable for Visual Studio 2019" and then Download