Hit the power button on your remote, to power off for a couple of seconds. Turn power back on, you will be at the same place you left off, only you will be able to move around the kodi interface. That seems to work for me.
Here is how I solved.
I uninstalled and reinstalled let tvmc load. I then went to programs and did a fresh start. It deleted everything. I then added repo http:// xunitytalk.com/ xfinity ........then I added usb-sdcard wizard and loaded a backup from one of my boxes. Running great