How to fix INSTALL_FAILED_INVALID_APK error in Android Studio?

Question

I have recently updated my Android Studio to 3.6.1, thereby also updating gradle plugin to 3.6.1 and the gradle wrapper to 5.6.4

When running the debug build, I keep get

Answer 1

The problem started happening for me in Android Studio 4.0. I get "INSTALL_FAILED_INVALID_APK" when trying to launch an app on Emulator right after opening Android Studio.

Found a workaround - if I launch the app on real device first, then launching on emulator is not a problem. Works 100%.

Android Studio is still buggy as hell, unfortunately...