Windows 11 Pro
Java 8
My action plan:
Downloaded the .exe from the link: https://autoplot.org/latest/
Unpacked it into the Program Files folder
Used it for 2 days while it worked
One fine day, Autoplot started showing only the splash screen
Unsuccessful attempt to reinstall Autoplot
Checked the error logs
What version of Java is this, and Windows, Mac or Linux? Also how are you launching Autoplot--using the single-jar or one of the .dmg or .exe releases? Last, it's possible you have a misformatted recent bookmarks list. Could you move ~/autoplot_data (in your home directory) to ~/autoplot_data.bak and see if it initializes properly (creating a new ~/autoplot_data)?