Transmac Drive Has Been Locked By Another Program

If you have a File Explorer window open displaying "This PC" or the specific USB drive, Windows will lock the drive to display its contents. Close all open windows.

If TransMac continues to fail, other tools can create bootable macOS installers from DMG files on Windows:

The error is frustrating, but it is rarely a bug in Transmac. It is almost always a conflict with Windows’ own resource management. By systematically restarting File Explorer, disabling antivirus, using LockHunter, and disabling Fast Startup, you can reclaim control of your drive in under five minutes. Transmac Drive Has Been Locked By Another Program

Once you've resolved the error, follow these best practices to avoid it happening again.

The "TransMac drive has been locked by another program" error can be frustrating, but it's usually resolvable through some simple troubleshooting steps. By checking for conflicting applications, properly ejecting disks, updating software, and potentially reinstalling TransMac, you should be able to overcome this issue and get back to burning your disks successfully. If the problem persists, it might be worth reaching out to TransMac support or checking online forums for any community solutions. If you have a File Explorer window open

However, Transmac requires . It needs to talk directly to the volume’s sectors. If any other process—even a seemingly harmless one like File Explorer or an antivirus scanner—is holding a handle to the drive, Transmac sees this as a lock.

Type select disk X (replace X with your drive number) and press Enter. Type clean and press Enter. Once done, exit, and try using TransMac. 5. Disable Antivirus Temporarily It is almost always a conflict with Windows’

TransMac is a powerful Windows application designed to bridge the gap between operating systems. It allows users to read, write, and format Mac disks, including hard drives, flash drives, and CD/DVD media on a Windows PC . It's a go-to tool for creating macOS bootable USB drives from DMG files and accessing HFS+ or APFS formatted drives.

Windows often grips external drives for indexing or security scanning. Restart File Explorer