运行安卓APP时出现错误Re-installation failed due to different application signatures.

[2014-01-22 16:45:05 - cimcssc_vehicle] Re-installation failed due to different application signatures.
[2014-01-22 16:45:05 - cimcssc_vehicle] You must perform a full uninstall of the application. WARNING: This will remove the application data!
[2014-01-22 16:45:05 - cimcssc_vehicle] Please execute 'adb uninstall cimc.cimcssc_vehicle' in a shell.

[2014-01-22 16:45:05 - cimcssc_vehicle] Launch canceled!

问题是可能软件版本的签名出错了，无法标别。处理方法是删除系统已安装的应用。再运行就可以了。