Application Installation Failed in Android Studio

Question

Yesterday my app was running perfect from Android Studio but today when I started working on my app and running it i am getting error message continuously

Answer 1

**** For MAC OSX/Windows ****

Goto *

Android Studio - Preferences (In OSX)

Android Studio - File -> Settings (In Windows)

• in the menu bar then select

Build,Execution,Deployment - Instant run

• then uncheck it and rebuild it will works