i using a usb flash drive.when i try to transferred a file and data my laptop it freezes it and an error message appear while trying to remove it from the computer because of which i have to pull out the usb drive without safely removing it. when I plugged the drive back after restarting all the data in the usb drive losses and the usb drive became unforgettable.what can be the problem and what can be the best possible solution for the problem?
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