Many thanks!
Uninstalled Download Master, reformatted from amtm the hard drive and now it works!
Installed Entware and also AdGuard Home!
Thanks for the support!
The USB device is mounted and recognised by the router.
I also reformatted it directly from the router to see if there might be a problem (although until 29/10 everything had more or less worked properly), I installed ‘Download Master’ on it and it works properly
This is the result if I try to...