Failed to install droidipcam.apk on device 'emulator-100': timeout

Error message: failed to install helloworld.apk on device 'emulator-000000': timeout or the user data image is used: it is caused by the fact that the simulator has been enabled but has not been disabled or disabled illegally. Solution: delete all folders ending with. Lock in c: \ Documents ents and Settings \ Administrator \. Android \ AVD \ Corresponding version. AVD. Or failed to install *. APK on device *: timeout Launch canceled! There is also a way: in window-> preferences-> Android-> ddms-> ADB connection time out (MS): set this value to a greater value, the default is 5000, I set it to 500000, and then OK. Once I tried n methods, I couldn't solve it, But I used this method later. 1. cleaning the Project (Project-> clean) 2. restarting device, Eclipse, laptop, all of the above... 3. moving the project to a location without spaces, according to failed to install APK on device 'emulator-100': timeout <