Tested this on my end and I can confirm this behavior with the Standalone version under Win 10 Pro 1909.
In fact this is happening each time you have created new nodes & revert to another preset, whether you choose Init or any presets from the Analog or Digital categories. You don't even have to start from the Init preset to observe this actually.
- Open Node Standalone
- Create new nodes points
- Revert to Init or any Preset
- Try to create a new node by double clicking --> Crash
Starting Node with Administrator Privileges doesn't help either, same behavior.
Also tested under MacOS 10.13.6 (17G11023) High Sierra and no issue, only happening under Windows.
The only way to avoid this under Windows seems to be using the "Reset to default state" feature from the top left "Options" menu.