"Thanks Mr. Oborne for the quick reply. But that didn't work either. Installed .net 4.0 got the same error.
Uninstalled mission planner then uninstalled .net 4.0. Then reinstalled everything again still same error.
I've searched and searched and came…"
Newbie here so bear with me.Just downloaded the newest version of mission planner and when I go to install new firmware and click on the quadcopter symbol, it throws up a error of "file not found" .But When I downloaded the newest version of APM…