Error:Unexpected lock protocol found in lock file. Expected 3, found 0

Question

After upgrading Android Studio to 1.3, I can\'t compile my project anymore. I am getting Unexpected lock protocol found in lock file. Expected 3, found 0.. I ha

Answer 1

I had the same problem. And deleting the project's .gradle folder didn't fix the problem.

I solved the problem by deleting the C:\Users\\.gradle folder and made studio refresh the entire gradle build. I found I had 4 different versions of gradle installed from my upgrade path.