In order to run the VV Simulator through a Firefox browser, the ClickOnce add-on must be installed. This is done as follows:

  • Ensure that you are using the latest Firefox version.
  • In Firefox, press CTRL-SHIFT-A to open the Add-ons screen.
  • Type clickonce into the search area and press enter to search. The FxClickOnce add-on should be displayed as shown below.
  • FxClickOnce add-on for Firefox

  • Click Install.
  • ClickOnce installed

  • Click Restart Now to close and restart the browser.