Hello,
i bought a 8gb pendrive kingston ofcouse and i was having problems formating it, so i went to manage side on my computer and formated it there and after that the drive is not working properly ITS SLOW NOW IF U TRY TO TRANSFER A FILE AND SOME FILES SOMETIMES DONT WORK ON IT PLEASE WAT SHOULD I DO?
This problem might be coming from your system actually. I will advise you to get it formatted again and see whether the problem gets fixed for confirming it.