android - App Inventor cannot connect to emulator -

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started evaluating mit app inventor (ver 2.2) on windows 7 (from administrator account). since don't have android devices, have use emulator.

aistarter.exe , emulator.exe both work when explicitly started,
when start aistarter.exe , ai2.appinventor.mit.edu/#5440960545685504 on chrome , connect/emulator, emulator.exe not started, , aistarter disply messages like:

127.0.0.1 - - [16/dec/2014 04:15:13] "get /echeck/ http/1.1" 200 38 system cannot find path specified. problem checking devices : status 1

i tried disabling chrome extensions, , trying start ai2.appinventor.mit.edu firefox , maxthon browsers, identical negative results.
both googling , searching appinventor.mit.edu didn't help.

  1. what failed path in error message referring to?
  2. any suggestions how debug app-inventor/emulator startup failure?

since no remedy seemed help, decided start clean slate.

i went http://appinventor.mit.edu/explore/ai2/update-setup-software.html , followed "how update app inventor setup software"

  1. uninstalled current app inventor
  2. booted machine
  3. downloaded latest windows installer http://appinv.us/aisetup_windows
  4. installed appinventor_setup_installer_v_2_2 (1).exe downloaded, accepting installer's defaults. installation directory chosen installer in c:\program files (x86)\appinventor
  5. logged out , after logging in again - aistarter running
  6. killed bluestack processes
  7. tried connect/emulator. emulator won't start, though it's not failing previousely
  8. started emularor using run_emulator.bat
  9. after few tries, emulator syncing app inventor 2

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