Can’t use my USB. Read-only file system?

Ohhhhh, its one of those, OOPS, I done fooooked up, I need an app to retrieve my files, just one of those days I guess!

See, one of those days I guess lol.

You can perform this command adding an n in the arguments. (-nC0). This will allow you to church it read only... I'm not sure if the argument to mount in read only, which will show you to copy off anything you want from it possibly.