ADT를 통해서 어플을 처음 만들어서 올리면 잘 되었습니다.
그런데 조금 수정해서 올리니... 계속 아래와 같이 오류가 발생합니다.
ADT에서 어떻게 설정을 하면 매번 새로 올려지나요?
그리고 에뮬이 떠 있는 상태에서 어플을 올리고 내리고 할 수 있다고 들었는데...
방법이 무엇인가요?

[2009-09-21 23:29:00 - To Do List]------------------------------
[2009-09-21 23:29:00 - To Do List]Android Launch!
[2009-09-21 23:29:00 - To Do List]adb is running normally.
[2009-09-21 23:29:00 - To Do List]Performing com.skcc.todolist.ToDoList activity launch
[2009-09-21 23:29:00 - To Do List]Automatic Target Mode: Preferred AVD 'AVD_1.5' is not available. Launching new emulator.
[2009-09-21 23:29:00 - To Do List]Launching a new emulator with Virtual Device 'AVD_1.5'
[2009-09-21 23:29:05 - To Do List]New emulator found: emulator-5554
[2009-09-21 23:29:05 - To Do List]Waiting for HOME ('android.process.acore') to be launched...
[2009-09-21 23:29:24 - To Do List]HOME is up on device 'emulator-5554'
[2009-09-21 23:29:24 - To Do List]Uploading To Do List.apk onto device 'emulator-5554'
[2009-09-21 23:29:24 - To Do List]Installing To Do List.apk...
[2009-09-21 23:29:32 - To Do List]Re-installation failed due to different application signatures.
[2009-09-21 23:29:32 - To Do List]You must perform a full uninstall of the application. WARNING: This will remove the application data!
[2009-09-21 23:29:32 - To Do List]Please execute 'adb uninstall com.skcc.todolist' in a shell.
[2009-09-21 23:29:32 - To Do List]Launch canceled!