ADB not responding. You can wait more, or kill “adb.exe” … windows 8

Question

When I try to test my Android application with an android emulator as always I now suddenly get an error message. I\'m working with Windows 8. So far I tried the following thing

Answer 1

Following works for me every time: go to File->Invalidate Caches/Restart select Invalidate and Restart

And, You are good to go.