Preferences > Appearance page > How to (appearance) >
How to: hide "Hide" button
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 "Appearance" page.
In order to hide note's "Hide" button check the appropriate check box:
In order to show "Hide" button again uncheck the appropriate check box.
Default value: unchecked.
Note: changing this option requires all visible notes to be reloaded.