So I updated my NRT to v1.6.3 and was going to make a backup of my N7. But now, when I try to make the backup, the "Checking ADB Status" sign comes on the screen and just stays there, forever! And, I can't close the toolkit unless I turn off my computer. My N7 is unlocked and rooted and USB debugging is checked. So it's not working as smoothly as it once did. Any suggestions??