Nucleus cannot backup to USB drives

[xxx (Banned - toxicity)]

So my usb stick has suddenly become write protected , I think this is the issue . I have no idea why this would happen or how to fix this if I can

This has come up before. The OP never got back on whether this helped, but here it is -

USB Flash drive backup

Consider this -

USB Flash drive backup

Also, since you don’t need to do a Restore, maybe the easiest path is this -