ADB not responding. You can wait more,or kill “adb.exe” process manually and click 'Restart'

Question

I have installed Android Studio. Then I have updated the Android SDK. Now when I start Android Studio, this message pops up:

ADB not responding. You c

Answer 1

I had this problem on Windows 8, but I solved the problem by updating all of Android Studio's plugins with the SDK Manager, then restarting the computer.