Transmac Drive Has Been Locked By Another Program May 2026

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

Windows often locks drives because it recognizes a corrupted partition. Clearing the partition table usually kills the lock. Press Win + R , type , and hit Enter. Type diskpart and hit Enter. Transmac Drive Has Been Locked By Another Program

Move the USB to a rear port (if on a desktop) to ensure a more stable connection. 🛠️ Method 1: Use Diskpart to "Clean" the Drive Right-click "This PC" > > Services & Applications > Services

If you are trying to flash a DMG file to a USB drive and see the error you aren't alone. This usually happens because Windows is aggressively "protecting" the drive or another background process is scanning it the moment you plug it in. Clearing the partition table usually kills the lock

Security software often "hooks" into a USB drive the second it's plugged in to scan for malware, creating a lock.