I hav Kingstom 512 memory stick.
before time i can use normally .
yesterday infected virus & then i can use from windows.
error message is " write protect"
but my stick is not hav write protect lock. what happen now?

but I can read / write from dos mode .
i used virus rescue disk for remove virus.
i can formatted from dos. i can create file from dos.

BUT in windows XP , i can't use these stick.
err is " Write protect"

Help me.