Type list disk and press . Identify your USB drive number by looking at the storage size.
Right-click the drive in This PC , go to Properties , and uncheck "Allow files on this drive to have contents indexed...". 2. Run as Administrator
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Transmac Drive Has Been Locked By Another Program
Right-click "This PC" > > Services & Applications > Services . Find Windows Search , right-click it, and hit Stop . 🖥️ Method 3: Use the "Format Disk for Mac" Command
Sometimes the issue isn't a software lock, but a hardware quirk. Type list disk and press
In the bottom-right corner of the taskbar, click "Safely Remove Hardware and Eject Media".
: Security software like Windows Defender or third-party antivirus can lock the drive to scan it for threats. Try disabling "Real-time protection" temporarily while using TransMac. If you share with third parties, their policies apply
For stubborn locks, the Windows DiskPart utility is the most effective tool for purging volume handles.
Windows File Explorer is the most common culprit behind this error. If you have a folder open showing the contents of the USB drive, TransMac cannot lock it. Shut down all open folder windows.
Patience and a systematic approach are your best tools. With the knowledge you've gained here, you're now well-equipped to tackle this error head-on and get back to using TransMac to its full potential.
If you cannot resolve the lock, many users find success with balenaEtcher , which often handles drive locking more effectively when flashing DMG or ISO files.