I've had Media Center running fine for about 5 months - since I installed Windows 7 on my htpc. Recently I've noticed that some channels in the guide show "No data available" where the TV show name would be. I've tried re-downloading the guide by goingto settings -> guide -> download new guide but this gives me an error after about 1-2 minutes saying it couldn't download the new guide. It also says I should right click on the media center icon in the system tray and open up the update log. When I do this, I don't have an option to view any log file. I have these options:
Open Windows Media Center
Update Data Now
Enable Automatic Updates (this is checked)
So I'm at a loss. I can't find the Update Log to see what went wrong when I tried to manually download the guide. I also can't update any of the guide listings. I've done a bunch of searching and found other people who have had this problem, but I have yet to find a solution. It shouldn't be a firewall issue since I haven't made any changes to those settings.
Also, I should be clear that SOME of the channels show programming info. For instance, channel 7 (CBS) has no data, but 7.1 and 7.2 do.