title: emulator for wp7.1 shows internal error
body: <p>I've just started developing for windows phone 7 but can't seem to get my emulator working. I get an pop-up "<code>Internal Error</code>" and as a description in the bottom view i see "<code>Error!   Connection failed because of invalid command-line arguments</code>".</p>
  
  <p>I am running windows 8 developer preview (not in a virtual machine) on a mac mini(2gb ram, core2Duo 2,26Ghz). I've reinstalled the tools and have restarted the computer several times but nothing works. I am running VS as an administrator</p>