Stuck while installing sample android application

[rohitsangal]

hi, i am new to android, done with installing part but while trying running sample Hello Android application, stuck somewhere.....
It says
[2012-01-25 12:28:22 - HelloAndroid] Android Launch!
[2012-01-25 12:28:22 - HelloAndroid] adb is running normally.
[2012-01-25 12:28:22 - HelloAndroid] Performing com.example.helloandroid.HelloAndroidActivity activity launch
[2012-01-25 12:28:27 - HelloAndroid] Uploading HelloAndroid.apk onto device 'emulator-5554'
[2012-01-25 12:28:27 - HelloAndroid] Installing HelloAndroid.apk...

[rohitsangal]

no starting or failure message appears......
Do help

Thanks in advance