Transmac Drive Has Been Locked By Another Program Jun 2026

: Right-click the TransMac icon (on your desktop or in the Start Menu) and select "Run as Administrator" . This is perhaps the single most effective fix. For a permanent solution, right-click the icon, select Properties → Compatibility tab → check "Run this program as an administrator" .

If using third-party software (like McAfee or Norton), disable it until the TransMac operation is complete. 3. Use Diskpart to Force Clear the Drive Transmac Drive Has Been Locked By Another Program

He’d seen it before. Usually, it meant he’d left a Finder window open, or maybe Time Machine was doing a background check. A quick restart of his Mac always fixed it. But tonight was different. : Right-click the TransMac icon (on your desktop

If the error persists, the drive’s current partition table might be causing a conflict. Using the Windows utility to "Clean" the drive resets it to an uninitialized state, which usually breaks any locks held by other programs. Warning: This will erase everything on the USB drive. Press Win + R , type cmd , and press Enter. Type diskpart and press Enter. If using third-party software (like McAfee or Norton),

Type select disk X (replace with your drive number, e.g., select disk 1 ).

: Ensure your USB drive doesn't have a physical write-protect switch. You can also try clearing software write-protection in Diskpart by typing attributes disk clear readonly after selecting the disk. Step 4: Alternative Tools