Do download firmware from random “driver websites,” Reddit links, or file-sharing hosts (Mediafire, Mega, etc.). These files are often outdated, corrupted, or infected with malware.
Here are the most likely possibilities:
If you get stuck here, try switching to a different USB port (USB 2.0 is often more stable for updates) or use the Microsoft Store version of the ACC instead of the desktop version. astro firmware 36797 download