RapidAuthor Installation Issues: Clean everything


1. Uninstall all products from your machine. Before uninstalling, be sure to close ALL applications.

To uninstall the software products (RapidAuthor, Cortona3D Viewer, Cortona2D Viewer, etc. - all "ParallelGraphics" or "Paragraphics Ltd." signed products):

  • Open Add/Remove Programs in the Windows Control Panel,
  • Select the corresponding program names,
  • Click the Remove button to run the uninstallers.

Follow the instructions provided to perform the uninstall procedure.


2. Check all Cortona3D folders:

  • "C:\Program Files\ParallelGraphics"
  • "C:\Program Files (x86)\ParallelGraphics"
  • "C:\Program Files\Common Files\ParallelGraphics"
  • "C:\Program Files (x86)\Common Files\ParallelGraphics"

Delete folders if there are any files left.


3. Check registry branches:

  • HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\ParallelGraphics
  • HKEY_CURRENT_USER\Software\ParallelGraphics

Delete registry branches if there are any keys left.


4. Restart your PC


5. For 64–bit OS run RapidAuthor_x64.exe and for 32–bit OS run RapidAuthor.exe