Hi,
just an idea: If you click on a recent source or project file and the file does not exist anymore, there should be an additional button in the upcoming error dialog with the option to delete the menu item from the recents list.
Best regards
Uwe
Recent Projects & Files in PB IDE
Recent Projects & Files in PB IDE
PB 5.70 LTS (x64) - Debian Testing, Gnome 3.30.2