Abert

Hy there, i purchase a new USB flash of Toshiba company which is well reputed company so i choose this USB. but now, i am facing an issue about my USB all the files are corrupt, i want to format my usb but my device says to me that i am unable to format. even i installed ESET Anti virus to clean it from all the virus but i failed. is there any one who can tell me what is the reason behind it and what is the solution to recover my USB Flash