Many USB sticks and external hard drives have a tiny physical lock switch.
Once finished, close Diskpart and try formatting or burning with TransMac again. 4. Close Conflicting Programs transmac drive has been locked by another program
Sometimes Windows caches disk access. Properly ejecting forces Windows to release all handles. Many USB sticks and external hard drives have
As a result, the drive cannot be read from or written to in TransMac. transmac drive has been locked by another program
“The drive has been locked by another program.”
Security software often locks the drive as soon as it's plugged in to prevent unauthorized formatting. Open > Virus & threat protection . Select Manage settings . Toggle Real-time protection to Off temporarily. 2. Clean the Drive with Diskpart