Navigation:  Preferences > Network page > How to (network) > How to: do not show notification when note is sending

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 prevent showing notification when note is sending to contacts check the appropriate check box:

 

Default value: unchecked.