adb nodaemon server
netstat -ano | findstr "5037"
adb start-server
adb kill-server
adb devices
C:\Documents and Settings\Administrator\Application Data\Tencent
AndroidAssist,AndroidServer删除这2个文件夹，重建并修改权限
ANDROID_ADB_SERVER_PORT 环境变量 修改端口
原文：http://www.cnblogs.com/szhqp/p/5867469.html