Transmac Drive Has Been Locked By Another Program Hot May 2026

Type clean . This wipes the partition information and releases all locks.

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.

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 drive has been locked by another program hot

Once finished, go back to TransMac and try "Format Disk for Mac" or "Restore with Disk Image."

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. Type clean

Before diving into technical fixes, ensure TransMac has the necessary permissions to override system locks. Close TransMac completely.

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." Be extremely careful here; don't select your hard drive

Here is how to break the lock and get your bootable installer ready. 1. Run TransMac as Administrator