: If you have a window open showing the contents of the USB drive, Windows is actively "using" it. Close all File Explorer windows. Ignore Windows Format Prompts
Type list disk to find your USB number, then select disk X (replacing X with your drive's number). transmac drive has been locked by another program hot
: Temporarily turning off real-time protection in Windows Defender Settings is a common fix for "could not access drive" errors. Use Diskpart to "Clean" the Drive : : If you have a window open showing