Error: Site can't be reached Follow Welcome Anonymous User! Welcome End-User! Welcome Agent! Get Subscribers Updated August 26, 2016 21:46 OK Please try to clear your browser cache, shut down & restart your browser. Alternatively, please visit http://tv.xfinity.com and try logging in there. Additionally, you can also try some of our other basic troubleshooting steps. Related articles Error 102100.5 in DVR playback Error 12005 - Limit Reached Concurrent streams Tips to fix most issues on web & mobile!