I found an existing discussion on this topic at https://connect.microsoft.com/site1145/Feedback/Details/1573972.
From discussions on this thread and recommendations from ewtaylo1 (huge thanks!
A successful update to the guide was able to be show that the data was successfully being gathered from Rovi as shown below.
In the interim, having a list of acceptable zip codes would be a huge assistance for other people in the community who are running into this issue.UPDATE: 7/30/2015: If the instructions above do not work for you, see the comments from Marcus and Willow below for a second approach which is reporting success.With some debugging I found that the television guide was not updating correctly for my over antenna signals.The issue was easy to see when opening the guide which looked a lot like the screenshot below.), and are working on the cable card issues currently.
1) This does appear to be happening to multiple systems 2) The guide does appear to be downloading but it does not have any data beyond 3/19/2016 I will update with any resolutions that I find here.Do not continue past this step, go back and try another local zip code.To determine if the zip code you entered is working refer to the underlying log file available in c:\programdata\microsoft\ehome\logs\First B-) CLEAN GUIDE DOWNLOAD AND ASSIGNMENT (By Wyldwof): -Close WMC -Open Task Scheduler – Control Panel, System and Security, Administrative Tools, Schedule Tasks -In the left tree expand Task Scheduler Library, Microsoft, Windows, Media Center -In the right pane under name, right-click Object Store Recovery Task, and click Run (let it run for 2 mins) -Close Task Scheduler C-DNS FLUSH -Click Start. -Select Accessories and locate the Command Prompt shortcut.-Right click the Command Prompt shortcut and select Run as Administrator from the drop down menu. -Wait a few seconds for a reply that the IP address has been released. -Wait a few seconds for a reply that the IP address has been re-established. -Close the command prompt and reboot computer Last step is to run “Set Up TV Signal” from the WMC settings menu.3/16/2016 update: I have received reports that the guide is now updating correctly and in my environment it now has program data until the 29th so this issue appears to be resolved now.