Press Win + R , type cmd , and press Ctrl + Shift + Enter to open an elevated command prompt. Launch the utility by typing: diskpart Use code with caution. View your connected storage devices: list disk Use code with caution.
1️⃣ Right-click TransMac and select "Run as Administrator." Essential!2️⃣ Kill Explorer: Open Task Manager and end any processes related to the USB drive.3️⃣ The Nuclear Option (Diskpart): Open CMD (Admin)
TransMac interacts directly with hardware drivers. If it doesn't have the necessary permissions, it may fail to request the lock it needs from Windows.
Windows File Explorer constantly attempts to read plugged-in devices. If it is stuck trying to understand a Mac-formatted partition, it locks the drive. and File Explorer windows. Unplug the USB drive, wait 5 seconds, and plug it back in.
Sometimes, a specific USB 3.0 controller or hub can cause conflicts. Try a USB 2.0 port or a port directly on the motherboard (rear of the PC). B. Use Third-Party Tools to Unlock transmac drive has been locked by another program hot
Try using TransMac again. You can restart these services or reboot your PC to turn them back on later. Alternative Solutions
The "locked by another program" error is almost always a conflict between TransMac and Windows' own file management system. Using the method is the most reliable way to "break" that lock and give TransMac a clean slate to work with.
Right-click the Windows Start button and select or Command Prompt (Admin) . Type diskpart and press Enter .
Post: I’m trying to use TransMac to access a drive (external HDD/USB) but get the error: “Drive has been locked by another program.” I’ve tried disconnecting/reconnecting and restarting TransMac, but no luck. Any ideas? Press Win + R , type cmd ,
Windows Explorer can sometimes hold onto drives even after you close all windows. Restarting it often releases these locks.
Troubleshooting "TransMac Drive Has Been Locked by Another Program"
Whether you are trying to or write a DMG file The brand and size of your USB drive
Check your System Tray (bottom right corner). Close any disk utilities, antivirus scanners, or cloud storage apps (like OneDrive or Dropbox) that might be "watching" the drive for changes. 3. Use Diskpart to Clean the Drive (Most Effective) If it is stuck trying to understand a
Type list disk to see all connected drives. carefully (e.g., Disk 2) by its size.
Plug the USB drive directly into the motherboard. Rear ports on a desktop computer are more stable than front-panel ports or external unpowered USB hubs. Step 5: Disable Windows Search Indexing
Always use the application's built-in exit function rather than closing the window directly.
Type cmd and press to open an elevated Command Prompt. Type diskpart and press Enter .