Hi, How is it that there are some files that i can't erase from my thumb drive?

Question

It says:" cannot delete file: Cannot read from the source file or disk".

Answer 1

So Mr. on the path to nowhere. You will be, on the path to nowhere if you dont give detail

Answer 2

Format it , there is a possibility of virus if u get the message 'this program is used by another program'

Answer 3

Because they may be system files or files needed for it to function and you are not authorized to delete them.