Android Studio: Application Installation Failed

Question

I\'ve been trying to learn how to use Android Studio but when I attempted to run one of the sample programs I get this error message:

Installation fai

Answer 1

I have faced this issue since I have upgraded the build tools from 26.0.2 to 27.0.3. Reverting back, clean and rebuild solve the issue. Also I have degraded the gradle plugin version from 3.1.3 to 3.0.1 as the latest version was overriding the build tools to latest version.