Windows Only:
Open a command prompt with administration permission and type
netsh interface tcp set global autotuninglevel=disabled
Restart Your windows.
From: http://stackoverflow.com/questions/17851480/adb-not-responding-you-can-wait-more-or-kill-adb-exe-windows-8
Android: ADB not responding. You can wait more, or kill “adb.exe”
原文：http://www.cnblogs.com/ilovewindy/p/4525557.html