Emulator doesn't work

Hi there. I installed Android SDK 2.2, 2.3, 3.0, and 4.0. But when I run my project, the emulator can't work. Information is showed up below: Titanium Command-Line Interface, CLI version 3.1.2, Titanium SDK version 3.1.2.GA Copyright (c) 2012-2013, Appcelerator, Inc. All Rights Reserved. [INFO] : Found Alloy app in G:\Titanium\Trialproject1\app [INFO] : Executing Alloy compile: alloy.cmd compile G:\Titanium\Trialproject1\app --config platform=android,version=0,simtype=none,devicefamily=none,deploytype=development [INFO] : ----- MVC GENERATION ----- [INFO] : [index.xml] view processing... [INFO] : style: "index.tss" [INFO] : view: "index.xml" [INFO] : controller: "index.js" [INFO] : created: "Resources\alloy\controllers\index.js" [INFO] : created: "Resources\alloy\styles\index.js" [INFO] :
[INFO] : [app.js] Titanium entry point processing... [INFO] : created: "Resources\app.js" [INFO] :
[INFO] : ----- OPTIMIZING ----- [INFO] : - alloy.js [INFO] : - alloy\backbone.js [INFO] : - alloy\constants.js [INFO] : - alloy\underscore.js [INFO] : - alloy\widget.js [INFO] : - alloy\controllers\BaseController.js [INFO] : - alloy\controllers\index.js [INFO] : - alloy\styles\index.js [INFO] : - alloy\sync\localStorage.js [INFO] : - alloy\sync\properties.js [INFO] : - alloy\sync\sql.js [INFO] : - alloy\sync\util.js [INFO] : - android\alloy\CFG.js [INFO] :
[INFO] : Alloy compiled in 3.89443s [INFO] : Alloy compiler completed successfully [INFO] : Running emulator process: python "C:\Users\DuyTon\AppData\Roaming\Titanium\mobilesdk\win32\3.1.2.GA\android\builder.py" "emulator" "Trialproject1" "C:\android-sdk-windows" "G:\Titanium\Trialproject1" "com.uyenhuynh" "9" "WVGA854" "armeabi" [INFO] : Running build process: python "C:\Users\DuyTon\AppData\Roaming\Titanium\mobilesdk\win32\3.1.2.GA\android\builder.py" "simulator" "Trialproject1" "C:\android-sdk-windows" "G:\Titanium\Trialproject1" "com.uyenhuynh" "9" "WVGA854" "/127.0.0.1:3395" [INFO] logfile = G:\Titanium\Trialproject1\build.log [INFO] Building Trialproject1 for Android ... one moment [INFO] plugin=C:\Users\DuyTon\AppData\Roaming\Titanium\plugins\ti.alloy\1.0\plugin.py [INFO] Detected compiler plugin: ti.alloy/1.0 [INFO] Titanium SDK version: 3.1.2 (08/14/13 12:45 5ceaff8) [ERROR] : Emulator process exited with code 1 [INFO] : Project built successfully in 15s 66ms [INFO] : Emulator not running, exiting...