OK, the issue has been resolved.

The version of the HDHomeRun app installed on the Windows machine was one I had downloaded from SiliconDust a long time ago. It was updating, but something must have gone south.

I downloaded the version from the Microsoft store on another Windows 11 machine, and it ...

Another quick question. I am getting the following when I launch the HDHomeRun app on windows:

Version 20250408a
Using Async Platform API
Probing 2 device(s)
HDHomeRun RECORD
13249B65 HDHomeRun PRIME
Found 2 devices
13249B65 HDHomeRun PRIME

Is this normal?

and are the two devices the PRIME unit ...

Prime firmware is :

HDHomeRun PRIME
System Menu
System Log
System Status
Hardware Model HDHR3-CC
Firmware Version 20230713
DTCP1 1.7-SD20200724
WMDRM-NDT 10-SD20171110
Memory Report 64 MB SDRAM, 2 MB Flash
Power Status Standby
Boot Status Booted
Device ID 13249B65
MAC Address 00:18:DD:32:49:B6
IP ...

So I'm guessing maybe my area was upgraded with high split while I was out of town, and that is what caused the blinking light on the front panel. With the new configuration of coax cable -> vecima -> coax cable -> Prime, does the USB cable still need to connect the TA to the Prime?

On the Channel ...

I have had the Prime box connected to Cox for a number of years with this configuration. The cable line goes to a 2 port splitter. One line from the splitter goes to the Prime, the other goes the the Vecima Tuning Resolver. There is a USB cable connecting the Prime to the Resolver.

A couple of ...

I am seeing the same error when trying to play on the Windows HDHomeRun app. I just updated from Windows 10 to Windows 11 23H2 and noticed the problem. No problem with playing DRM channels on the NVidia Shield boxes. Do you want me to open a new ticket and send diagnostics or do you already have ...