Transmac Drive Has Been Locked By Another Program Hot
Identify your USB drive number (e.g., Disk 2) by its size. Type select disk X (replace X with your USB drive number).
Safely remove the USB drive, wait 10 seconds, and plug it back in.
When Windows reports that the drive is "locked by another program," it means the operating system’s I/O manager has already granted exclusive access or a shared read/write lock to another process. TransMac’s request for ownership is denied. Crucially, the "other program" is rarely another instance of TransMac itself; it is typically a Windows system component, a third-party disk tool, or even a ghost process holding a stale handle. transmac drive has been locked by another program hot
Some USB flash drives have a hardware lock switch. Check the physical case for a slider. Also, some SSDs have a firmware-level lock that requires a secure erase.
TransMac interacts directly with hardware drivers. If it doesn't have the necessary permissions, it may fail to request the lock it needs from Windows. Identify your USB drive number (e
John tried to quit the process, but it wouldn't terminate. He then decided to force-quit it, which finally allowed him to access the drive. However, the relief was short-lived, as the error message reappeared a few minutes later.
: In some versions, fixed disks (like external HDDs/SSDs) are treated as When Windows reports that the drive is "locked
Windows includes built-in tools to identify which process is locking your drive.
If TransMac continues to display the lock error despite trying all troubleshooting steps, the software may have compatibility issues with your specific version of Windows or your USB drive's controller firmware. You can use alternative, free tools to write DMG files to USB on Windows:
: Having a window open that is currently viewing the drive's contents can create a handle that locks the disk.
: Close any open folders that might be displaying the drive. Disk Management : If you have the Disk Management utility open, close it. Task Manager Ctrl + Shift + Esc
