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
I had the exact issue after upgrading to Android studio 3.0 (windows)
After spending HOURS looking for the solution, I find out that, that simple action solved it for me:
changing the destination path apk to different path. (for me to C:) just solved it