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.
If the drive remains locked, you can use the Windows command-line utility
If the error persists, the drive’s current partition table might be causing a conflict. Using the Windows utility to "Clean" the drive resets it to an uninitialized state, which usually breaks any locks held by other programs. Warning: This will erase everything on the USB drive. Press Win + R , type cmd , and press Enter. Type diskpart and press Enter.
Encountering the error message while attempting to flash, format, or restore a USB drive using TransMac can be frustrating. This error typically occurs on Windows when attempting to prepare Apple-formatted drives (HFS+/APFS) or bootable USBs, indicating that Windows or another application has a lock on the drive's file system, preventing TransMac from taking exclusive control. Transmac Drive Has Been Locked By Another Program
When trying to format, restore, or write a DMG/ISO image to a USB drive or external hard drive for a Hackintosh or Mac system, is the industry-standard tool for Windows users. However, a common and frustrating error often halts the process: "Transmac Drive Has Been Locked By Another Program" .
Here is a comprehensive guide to understanding why this happens and how to fix it to get your drive working again. Why Does This Error Occur?
Knowing these details will help find the exact solution for your setup. Share public link The error is frustrating, but it is rarely a bug in Transmac
If, after all your efforts, the error continues to block you, switching to an alternative application like UltraDMG, balenaEtcher, or AnyBurn is a smart and efficient way to complete your task without further frustration. Best of luck!
and look for any disk utility programs or third-party file managers. End those tasks. Process Explorer : If you still can't find the culprit, use Microsoft Process Explorer
Security suites are the most frequent culprits for drive locks. Windows Security Virus & threat protection Manage settings and temporarily toggle off Real-time protection If the drive remains locked, you can use
Download Rufus and try writing the DMG file (if supported) or use it to reformat the drive to FAT32, then try TransMac again.
Here is a comprehensive guide to identifying the culprit and unlocking your drive. Quick Fixes
to find the number assigned to your USB drive (be extremely careful to identify the correct disk based on size). select disk X (replace X with your drive number).
: A popular open-source tool for flashing OS images to USB drives.