Transmac Drive: Has Been Locked By Another Program Portable

A common scenario for this error occurs when users attempt to "Restore" a macOS DMG image to a USB drive.

or Dropbox that might be trying to sync the external device. or indexing if you are on a system where those are active. Recommended Alternatives Transmac Drive Has Been Locked By Another Program

Tonight, the drive in question wasn’t his usual backup SSD. It was a tiny, scratched-up USB stick he’d found taped under his desk at work. On it was a single file: a fragmented log from a decommissioned transit authority server. Transmac – the old internal code for the Metropolitan Transit System. A common scenario for this error occurs when

Select and click OK. (Note: You must use "Safely Remove Hardware" after this). End Tasks via Resource Monitor : Open the Run dialog ( ), type resmon.exe , and click OK. Go to the CPU tab and find Associated Handles . Type the drive letter (e.g., E: ) into the search box. Transmac – the old internal code for the

Here is a review of the situation from the perspective of a user trying to create a bootable macOS USB on Windows.

In this long-form guide, we will break down exactly why this error occurs, how to fix it urgently, and how to prevent it from ever coming back.

Re-enable your antivirus after Transmac finishes writing to the drive.