Set Default Printer in VDI (Work-Around)
Quit all applications.
Press CTRL+P or go to the File menu and select Print…
The print dialog will open with a list of installed printers. The current default printer will be highlighted.
Find the printer that you wish to become the default. This may require scrolling left or right in the printer list.
Right click on the desired printer and choose Set as Default Printer from the context menu.
Confirm that your chosen printer now has the green circle check-mark denoting default printer.
Click the cancel button on the print dialog. Close the Notepad++ application.