Type select disk X (Replace with your actual USB drive number, e.g., select disk 2 ) and press Enter . Warning: Selecting the wrong disk will erase your data. Type clean and press Enter . Type exit to close Diskpart.
TransMac requires high-level system permissions to perform low-level disk writes. Close completely. Right-click the TransMac shortcut on your desktop. Select Run as Administrator . 3. Clear the Drive via Command Prompt (Diskpart)
If TransMac continues to fail, you can try these alternatives to create a bootable Mac drive on Windows: TransMac "could not access drive" - GitHub Gist
A faulty installation can cause persistent problems.
Type select disk X (Replace with your actual USB drive number, e.g., select disk 2 ) and press Enter . Transmac Drive Has Been Locked By Another Program
Check your system tray (bottom right) and close any third-party disk tools, antivirus scanners, or cloud storage apps (like OneDrive or Dropbox) that might be trying to index the drive. 3. Use Diskpart to Clean the Drive
: In the same menu, scroll to Ransomware protection , click Manage ransomware protection , and turn off Controlled folder access .
If you use third-party software (like Avast, Malwarebytes, or McAfee), right-click its icon in the system tray and pause protection for 10 minutes.
Close TransMac completely. Right-click the TransMac shortcut and select "Run as administrator" to ensure it has full system permissions. Temporarily Disable Windows Defender: Type select disk X (Replace with your actual
The "Transmac Drive Has Been Locked By Another Program" error is almost always resolvable with patience and systematic troubleshooting. By following the steps outlined—from simple fixes like running as an administrator and refreshing the drive list, to more advanced methods like cleaning the drive with DiskPart and performing a clean boot—you should be able to get your drive unlocked and TransMac working.
Follow these steps in order to release the lock and successfully use TransMac:
Here is a complete, step-by-step guide to releasing the lock and getting TransMac to work. 1. Run TransMac as Administrator
If you use Windows Defender, go to and temporarily turn off Real-time protection . Advanced Fixes Using Windows Tools Type exit to close Diskpart
Ryan quickly grabbed his laptop and together, they went to the Transmac application. With a few clicks, they were able to unlock Emily's drive and retrieve her files. Emily breathed a sigh of relief as she loaded the files onto her computer, grateful to have her project back.
If you need help resolving this issue, please share a few details to narrow down the cause: What are you currently running?
utility is the most effective way to break a software lock by wiping the drive's partition table. Start Menu , right-click it, and select Run as Administrator and press Enter. to find the number of your USB drive (verify by size). select disk X with your drive number). to remove all partitions and locks. : If the drive still refuses to work, type create partition primary and format it as in File Explorer before trying TransMac again. 3. Temporarily Disable Real-Time Protection
: Services that monitor for new hardware or media files can interfere with the write process. Step-by-Step Resolution Guide 1. Run TransMac as Administrator