Try these solutions in order, from the quickest fixes to the more advanced system utilities. 1. Run TransMac as Administrator
Security suites are the most frequent culprits for drive locks. Windows Security Virus & threat protection Manage settings and temporarily toggle off Real-time protection
Press the , type cmd , right-click Command Prompt , and select Run as administrator . Type diskpart and press Enter . Transmac Drive Has Been Locked By Another Program
The error message "Transmac Drive Has Been Locked By Another Program" typically occurs when another program or process has locked the drive, preventing Transmac from accessing it. Here are some common causes:
If basic troubleshooting fails, a system utility is likely holding the lock. Use these built-in Windows tools to force-release the drive. 4. Clean the Drive Using Diskpart Try these solutions in order, from the quickest
Method 3: Temporarily Disable Antivirus and Windows Defender
Press the , type cmd , and press Ctrl + Shift + Enter to run it as administrator. Type diskpart and press Enter . Windows Security Virus & threat protection Manage settings
Open your antivirus software (e.g., Windows Security, Avast, Malwarebytes). Go to the settings. Locate Real-time protection and toggle it Off temporarily. Attempt the TransMac operation again.