1. Make sure that eclipse is not active. If it is active kill eclipse from the processes tab of the task manager
2. Open %USERPROFILE%/ on Windows or simply ~ on Linux/OS X (You can locate this folder from the Desktop)
3. Go to .android folder (This may be a hidden folder)
4. Delete the folder cache which is located inside .android folder
5. Delete the file ddms.cfg which is located inside .android folder
6. Start Eclipse

启动Eclipse后卡在 android sdk content loader 的解决办法