This error is typically caused by a locked file - a file that is currently open or in use by another program - preventing MATLAB from completing the update. The error message appears when the installer cannot access or modify a file needed for the update.
- Close MATLAB and All Related ProgramsEnsure MATLAB is fully closed, along with any associated tools such as Simulink, MATLAB Drive, or Add-On Explorer. Also, close any external applications that may be using MATLAB files (e.g., text editors, antivirus programs, or file sync tools).
- Use Task Manager or Activity Monitor
- On Windows, open Task Manager (Ctrl+Shift+Esc) and look for any processes related to MATLAB. End those tasks if necessary.
- On macOS, open Activity Monitor and do the same.
- On Linux: Use your desktop environment’s System Monitor (e.g., System Monitor in Ubuntu) or the terminal to find and stop MATLAB-related processes:
- To list all MATLAB-related processes:ps aux | grep -i matlab
- To kill a process by PID (replace PID with the actual number shown):kill -9 PID
- To list all MATLAB-related processes:
- Restart Your Computer
- If you're unsure which program might be locking the file, restarting your computer can often resolve the issue by releasing any file locks.
- Use Task Manager or Activity Monitor
