1. I received a new apm 2.6 mega.
2. I have windows vista 32 bits on my dell laptop with .net4 and direct x installed.
3. I installed mission planner version 1.3.16 build 1.1.5456.14788 including the drives.
4. When I connected the apm via the usb I got unrecognized usb device.
4. Enter the initial setup -> install firmware
5. Chose arducopter 3.2 quad.and then I got the following error:
Error uploading firmware. see the attach file.mission%20planner%20error%20screen.docx