Android studio’s three mistakes come down to one

1. Pop up the window with the following error

Application Installation Failed…INSTALL_ FAILED_ INVALID_ APK…
WARNING: Uninstalling will remove the applation data:
Do you want to uninstall the existing applation?

2. Event log, the error is as follows

Session ‘app’: Error Installing APKs

3. Run, the error is as follows

Unknown failure (Failure – not installed for 0)
Error while Installing APKs

These three errors can be summed up in one, which also debugged for several hours for various searches. Finally, we found a way:

It can be solved in setting: File — > Settings