If you get the following error message follow the steps below to rectify the issue:
- Go to the Start menu.
- Go to 'Computer', or 'My PC'. On Windows 10 go to 'This PC'.
- You should find an option labelled 'System Properties', near the top. If in 'This PC' click Computer then Properties instead.
- Now, you should see (on the left-hand side, probably) 'Advanced System Settings'.
- Select 'Advanced System Settings', which should open a 'System Properties' panel, as illustrated in the screenshot below.
- Click 'Environment Variables', and proceed as illustrated.
- You may need to close Voyant, restart your computer, then re-open Voyant for this to take effect.
In the event of difficulty, we found a YouTube video (see link, below) that will take you to the destination, where you will enter the following information (as also shown in screenshot):
_JAVA_OPTIONS
-Xms256m -Xmx768m