Installation error

INSERTED USB & ERROR MESSAGE SAID “The disk you inserted was not readable by this computer”; WENT TO DISK UTILITY FUNCTION & SELECTED THE EXTERNAL WD MY PASSPORT, & INDICATED ALL DATA ‘USED’; RAN FIRST-AID; FAILED MESSAGE “IF POSSIBLE BACK UP DATA ON THIS VOLUME”. DETAILS OF MESSAGE SAID: "REPAIRING THE SYSTEM. FILE SYSTEM CHECK EXIT CODE IS 8. UPDATING BOOT SUPPORT PARTITIONS FOR THE VOLUME AS REQUIRED. AN INTERNAL ERROR HAS OCCURRED. OPERATION FAILED
WHAT DO I DO??

Hi,

You could refer to the following link: Third Party Data Recovery Software Options for Windows and macOS