Transmac Drive Has Been Locked By Another Program Hot -

Right-click the or executable file. Select Run as administrator . Confirm the User Account Control (UAC) prompt. Step 2: Use Windows PowerToys File Locksmith

Antivirus software often locks removable drives to scan them for malware, which conflicts with TransMac’s attempt to reformat the drive.

Antivirus software (like Avast, Norton, or Windows Defender) often locks removable drives the moment they are plugged in to scan for malware. This lock can interfere with TransMac’s low-level writing process. transmac drive has been locked by another program hot

Check if you have any disk utility tools (like Rufus, BalenaEtcher, or Partition Wizard) open in the background.

Type clean and press to wipe all partitions and remove locks. Type exit to close the utility, then try using TransMac. 4. Format the USB to exFAT First Right-click the or executable file

If the drive was previously used for a secure Mac setup, it might have a firmware password.

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. Step 2: Use Windows PowerToys File Locksmith Antivirus

If basic steps don't work, Windows or another program is likely locking the drive. You need to find and stop the conflicting process. This is the core of solving this error.