Transmac Drive Has Been Locked By Another Program -

Type cmd and press to open an elevated Command Prompt. Type diskpart and press Enter .

: Open Windows Security > Virus & threat protection > Manage settings and toggle Real-time protection to Off .

The error indicates TransMac (or another application) cannot access a drive or disk image because some other process has an open handle or lock on it. Common targets: physical USB drives, external HDDs/SSDs, or DMG/ISO files.

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

typically occurs because a background process in Windows is actively monitoring or holding a handle on the USB drive, preventing TransMac from gaining the exclusive access required for low-level formatting or writing. Common Causes of Drive Locking Security Software : Antivirus programs like Windows Defender

If you need help resolving this issue, please share a few details to narrow down the cause: What are you currently running?

He didn't know what would happen when it reached zero. But the drive was still locked. And whatever had locked it was already inside. Type cmd and press to open an elevated Command Prompt

: In the same menu, scroll to Ransomware protection , click Manage ransomware protection , and turn off Controlled folder access .

The most likely culprit is another application simultaneously using the same drive. This includes:

Press Windows Key + R , type cmd , and press Ctrl+Shift+Enter to open an elevated command prompt. Type diskpart and press Enter. The error indicates TransMac (or another application) cannot

Windows Explorer often automatically attempts to index or generate thumbnails for files on newly connected drives. If the drive contains a file system recognizable to Windows (such as FAT32 or exFAT partitions often found on bootable drives), Explorer keeps an open handle on the drive letter. This prevents TransMac from locking the physical drive.

: Type list disk to find your USB drive's number (identify it by size).