"i have also 32 bit win7, but there i am still no able to install drivers. it tells me that those arduino 2560 driver is not for 32-bit systems.. :/"

"after reinstalling some drivers (and .net framework) and several reboots i finally able to recognize the APM2. but after try to connect in mission planner i am getting following screen:
http://imageshack.us/photo/my-images/853/mperror.png/

what…"

"APM2"

"i have win7 x64 version"

"i have the same problem.
and yes, i already installed FTDI drivers..."