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Rhino 5: Error _mcneel._zoo5

Rhino 5 cannot run and shows an error message about “_mcneel._zoo5”.
This problem happens when Rhino 5 runs for the first time after it's been installed.

An unknown installation problem.


  1. Contact McNeel support asking for the license reset tool.
  2. Right-click on the Rhino5LicenseReset.exe and select Run as administrator.
  3. Run Rhino 5.
  4. Use one of the options below:
    a) If you have a Rhino 5 license and would like to install the license on this computer, click Enter a License and enter your license.
    b) If you have a Rhino 5 license and the license is installed on the Zoo license server, select Use a Zoo and set the Zoo server name/IP.
    c) If you don't have a Rhino 5 license and you are evaluating Rhino 5, click Evaluate.
rhino/rhino5/error_mcneel._zoo5.txt · Last modified: 2014/11/12 by brian