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Install Error 1935 or VC80

Assembly component Microsoft.VC80.CRT

Summary: How to fix the installation Error 1935, VC80 or HRESULT: 0x80073715
Related installation help: Troubleshooting Rhino 5 Installation


I get “Error 1935. An error occurred during the installation of assembly “Microsoft.VC80.CRT, …” Or you get the Error 1935, VC80 or HRESULT: 0x80073715 as shown below:


The Microsoft C++ 2005 Redistributable Package has never been installed or failed in an earlier attempt. This is a problem with Windows and the Microsoft Redistributable Package, not with Rhino's installer. However the Rhino installer is unable to successfully finish as a result. Sometimes, it is only the 64-bit version of Rhino that will not completely install.


Manually install the Microsoft C++ 2005 Redistributable Package Microsoft Visual C++ 2005 Service Pack 1 Redistributable Package MFC Security Update. Note, the version of these assemblies are 8.0.50727.5592 or 8.0.50727.6195.

  1. Click the Download button.
  2. Download the vcredistx86.exe for 32-bit OS only.
  3. Download the vcredistx86.exe and vcredistx64.exe for 64-bit OS.
  4. Go to download location and install the redistributable(s).
  5. Upon successful install, re-install Rhino.

Note: If this solution doesn't work for you, please try:


rhino/error1935.txt · Last modified: 2020/08/14 (external edit)