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Viewer fails to start – error messages

In cases where Cortona3D Viewer fails to start with or without an error message it is recommended to follow these steps:

  • Uninstall Cortona3D Viewer
     
  • Go to
    • For 32-bit OS – “C:\Program Files\Common files\Parallelgraphics\Cortona” and clean the installation folders
    • For 64-bit OS – “C:\Program Files (x86)\Common Files\ParallelGraphics\Cortona” and clean the installation folders
       
    • Install Cortona3D Viewer
      • The latest version of Cortona3D Viewer can be found here.

         

If the issue still persists, try to register shelley3.dll:

  • Open “Run”
     
  • Copy this: regsvr32 "C:\Program Files\Common Files\Parallelgraphics\Cortona\shelley3.dll"
     
  • Click OK