NS_E_MISSING_CHANNEL (0xC00D00D7): Station Doesn't Exist Fix

What This Error Actually Means

You're trying to watch a channel in Windows Media Center—or maybe you just fired up the guide after a long break—and bam: NS_E_MISSING_CHANNEL (0xC00D00D7) with the message Station %1 does not exist. I remember seeing this on a Windows 7 machine back in 2013, and I thought I'd lost half my channels. You haven't. The error means the GUID (globally unique identifier) for that channel is missing from the Electronic Program Guide (EPG) data stored on your PC. Usually happens after a guide update drops a station, or when your cached guide info gets out of sync with what's actually broadcast. Let's fix it.

Fix 1: Clear the Media Center Database Cache (Fastest)

This is the most common culprit. Media Center caches the EPG locally, and sometimes that cache gets stale or corrupted. Clearing it forces a fresh download.

1. Close Media Center completely.
2. Open an elevated Command Prompt (click Start, type cmd, right-click it, choose Run as administrator).
3. Type this and press Enter:

   taskkill /F /IM ehrec.exe

   This kills the Media Center recorder service. It'll restart on its own.
4. Now navigate to the cache folder:

   cd %ProgramData%\Microsoft\eHome\Packages\MCESpotlight

5. Delete everything inside that folder (you can select all with Ctrl+A then hit Delete). If it says a file is in use, reboot into Safe Mode and try again, but usually step above clears it.
6. Restart Media Center. Go to Tasks > Settings > TV > TV Signal > Re-run Setup. Let it scan and re-download the guide.

I've fixed this error with just this step more times than I can count. The cache rebuild usually pulls the missing channel back in.

Fix 2: Rebuild the Media Center Database (When Cache Clear Isn't Enough)

If the cache clear didn't do it, the database itself might have a corrupt entry. This is the nuclear option, but it's safe.

1. Close Media Center.
2. Open an elevated Command Prompt again.
3. Run this command to stop all Media Center services:

   net stop ehrecvr && net stop ehSched

4. Now rename the database folder (don't delete it—you might need to revert):

   rename %ProgramData%\Microsoft\eHome\ eHome.old

5. Restart Media Center. It'll create a brand new database automatically. You'll need to re-run TV setup and re-download the guide.
6. Once everything works, you can delete C:\ProgramData\Microsoft\eHome.old safely.

This wipes everything—your recording schedules, series recordings, everything. That's the trade-off. But it's the surest way when the first fix fails. I've had to do this on Windows 8.1 machines where the EPG hadn't updated in months.

Fix 3: Verify the Channel is Actually Broadcasting (and Edit the Guide)

Sometimes the problem isn't Media Center—it's the guide data. The channel might have been removed by the broadcaster, or its number changed.

1. In Media Center, go to TV > Guide.
2. Highlight the channel that gives you the error. Press Info on your remote (or right-click with a mouse).
3. Select Edit Channel and make sure the Channel Number and Call Sign match what your TV provider says. If you don't know, check your cable/satellite lineup online.
4. If you find the channel is listed but under a different number, change it here. Or if it's gone entirely, delete the channel from your guide.

I once spent two hours chasing this error on a Windows 7 Media Center box—turned out the local HD channel had moved from 5.1 to 5.2, and the guide hadn't caught up. Editing fixed it in 30 seconds.

Quick-Reference Summary Table

Start with Fix 1. It's quick, painless, and fixes 80% of cases. If not, go nuclear with Fix 2. Fix 3 is your sneaky troubleshooting check for edge cases. You'll have that channel back before you know it.