Truenas scale installaion

hello! i apologize if this is not the proper venue. i am a total newb, and am trying to install truenas scale, but keep getting this error: truenas unsquashfs failed with exit code 1 parallel unsquashf’s using 2 processors
can anyone help me please?

try redownload and burn another installation disk. - guessing bad download

my usb key is cooked finally. thanks for the help :slight_smile: