Hello!
one day my computer show me this message: Insert the last disk of Multi-Volume Set and press Ok to continue and when I did it my USB key of 2 Gb stop to work and the system (Win7) ask me to format my key when i try it it wasn't possible to format it. 2 days after I put other USB he ask me again and didn't do it and my new USB is working. someone can tell me what is the problem this last time i find many USB with this problem of not formatting! can someone help me!