Navigation:  Preferences > Network page > How to (network) > How to: do not show contacts in context menu

Right click on program icon appears in system notification area and choose "Preferences" menu item from pop-up menu or click on button on PNotes Control Panel.

When "Preferences" dialog appears, choose "Network" page.

 

To remove contacts names from note's context menu (in case you have too many contacts) check the appropriate check box:

 

Default value: unchecked.