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

The same thing with the Asus Sync utility (with the both our Transformer's 700 and 701). I think there is a USB-port conflict between ABD driver and Sync utility.

Exit from Sync utility resolve the problem.