We use the cegetter.bat script from Symantec to manually update Symantec AntiVirus, and for some reason it had left navup8.exe on the hard drive. Try as we might, we couldn't remove it through ...
There's a difference between the "Notepad app" and notepad.exe. The Notepad app has the AI and all the new stuff in it. But the old C : \windows\system32\notepad.exe still exists, and is unencumbered ...
You can grab the RetroPad code and .exe from GitHub.