Failed to install Hi.apk on device 'emulator-5554': EOF

[2012-06-28 10:05:18 - Hi] Failed to install Hi.apk on device 'emulator-5554': EOF
[2012-06-28 10:05:18 - Hi] java.io.IOException: EOF
[2012-06-28 10:05:18 - Hi] Launch canceled!
//关掉虚拟机，关掉Eclipse即可,去任务管理器去看一下是否是adb进程在运行，如果没有则到DOS窗口去执行adb start-server,如

果有就执行adb kill-server,再执行adb start-server