Question ZorinOs installing problem!!

Apr 24, 2019
2
0
10
i try to install but it show me "unable to find a medium containig a live format system" and above this some error usb can someone help me ??
 
Apr 24, 2019
2
0
10
i try to install zorin os and when i boot to usb show me some erors and dont boot to install zorin. i try diffirent wayt to make bootable usb but its the same ..