U3 launch pad error

Question

I have a problem with my pendrive.It shows error as follows."An error has occured while initializing U3 launchpad: Drive J is unavailable or unformatted.U3 launchpad will close now.Please format the drive,disconnect the U3 device and try again." If any one is having the solution for that...plz mail to [e-mail].. i am very thankfull to u.......in advance....