Android studio 3.0 does not generate signed apk

Question

After updating android studio to version 3.0 (windows), I am unable to generate a signed APK.

When build has completed, i get the message:

Clic

Answer 1

I have faced the same problem. After a few hours downgrading

classpath 'com.android.tools.build:gradle:3.0.0'  

to

classpath 'com.android.tools.build:gradle:2.3.3'

solved the issue in the build.gradle file.