i have been trying to set up azure file share on my machine by mapping it. i have ran the script in power shell but this error keeps happening 

Hi,

Please try not to double post, you can refer to my answer in your other thread over here:
https://video2.skills-academy.com/en-us/answers/questions/44315/i-have-been-trying-to-set-up-azure-file-share-on-m-1.html?childToView=44394#answer-44394

By the looks of it, it seems you don't have the TCP\445 port opened:

Troubleshoot Azure Files problems in Windows - Cause 1: Port 445 is blocked
https://video2.skills-academy.com/en-us/azure/storage/files/storage-troubleshoot-windows-file-connection-problems#cause-1-port-445-is-blocked

Best regards,
Leon