Android Studio 2.3 Update not opening app [Instant Run Service]

Question

I recently updated the Android Studio to 2.3. When I hit the instant run button, It compiles the app but doesn\'t open the app on the Android device. Even \'Hot Swap\' is not en

Answer 1

Got the same error after updating. As already noted, there's an open discussion on this topic. So far, the only work-around is that you actually disable instant run, that's the only thing that worked for me. You can do so in Preferences -> Build, Execution, Deployment -> Instant Run:

Turn it off and run the app again and it's going to work. That's the best we can do at this point.