Starting a different tool as notepad.exe but with useful minimal impact to your system.
The program consists of the starter and some registry entries doing the job.
To disable popup window edit registry HKLM\Software\NppLauncher set "WaitForClose" to "no"
How to disable this annoying trayicon? Really, it'd be 5 stars if there wouldn't be the tray icon...
It's good for notepad++