Thanks done this. and agree we seem to be going in circles. I just remove the quarantine. Clicked reinstalled driver. Did not get the dialog box and t...

Hi. I just removed the quarantine but I got the same error message "The disk you attached was not readable by this computer".

thanks for this. I see you might be right and I see something related to quarantine, how can I remove the quarantine?

Thanks. I just saw this:/p> com.apple.quarantine

@softraid-support many thanks. I just tried but I don't get prompted to add OWC as identified developer (as I suspect it is because I did already a fe...

If it helps, this is the exact error message I am getting: