Since I install Arduino 022 ide I'm unable to associate .pde files with Arduino IDE
I created a shortcut on the desktop, and drag files to the shortcut to open the IDE and file.
I tried removing IDE files and re-downloadind without correction for this bug.
As I understand there is no install for this software ie: Arduino not listed in control panel installed software. So I do the equivalent of removing/reinstalling.
the association was "lost" and has been unable to reset since. I can tell it to select the IDE but it will never actually open the file and never remains associated. On that computer I just open the IDE and open the file itself.