Transmac Drive Has Been Locked By Another Program Hot May 2026

If the drive is "locked" because it has an existing partition or file system Windows doesn't like, you can force it to reset using the command line.

Right-click the TransMac icon on your desktop or Start menu. Select Try the "Restore with Disk Image" process again. 2. Close File Explorer and Third-Party Apps

Go back to TransMac; the drive should now be "unallocated" and ready for formatting. 4. Disable Windows Defender or Antivirus Temporarily transmac drive has been locked by another program hot

If you are trying to flash a macOS DMG file to a USB drive on Windows and hit the dreaded error, you aren't alone. This is one of the most common hurdles when using TransMac.

TransMac Error: "Drive Has Been Locked by Another Program" – Causes and Fixes If the drive is "locked" because it has

Windows Explorer is often the culprit. If you have a window open showing the contents of the USB drive, TransMac will be blocked. Close all File Explorer windows.

Type select disk X (Replace with your USB’s number, e.g., select disk 2 ). Be extremely careful here; don't select your hard drive. Disable Windows Defender or Antivirus Temporarily If you

Occasionally, TransMac struggles to lock a drive that is currently formatted in a way it doesn't recognize. Right-click your USB in . Select Format... and choose FAT32 . Perform a "Quick Format."