Sometimes the official Gx Downloader is the problem. Try:

The device lost power during an update, corrupting the internal flash memory. Preparing for the Fix

This version is widely used to resolve boot loops or software "hang" issues where a receiver fails to start correctly. It establishes a direct connection between a PC and the receiver via an (or a USB-to-RS232 converter). Key Features

This is not a virus or a random glitch. It is a typically associated with:

The "Boot V1 031" string specifically refers to – a particular iteration of the manufacturer’s pre-boot environment used to flash firmware via USB Burning Tool or SD card methods.