In this long-form guide, we will break down exactly what the "mspm-source" script is, why this error occurs, and the most effective methods to fix it permanently.
: The application may be looking for external images, icons, or configuration files that were not correctly included in the executable during the build process. failed to execute script mspm-source
If you still want to use McAfee, a clean reinstall may repair missing script dependencies. If you do not use McAfee, fully remove it using the official McAfee Removal Tool. In this long-form guide, we will break down
If the script was compiled recently, PyInstaller may have failed to include a critical library because it was imported dynamically within the code. If you do not use McAfee, fully remove
The biggest hurdle with this error is that the graphical pop-up hides the actual reason for the crash. Running the application through the Command Prompt forces the program to print the true error stack trace directly to your screen. Open the Windows Start menu, type , and press Enter .
If the traceback reveals a ModuleNotFoundError , PyInstaller missed a dependency during compilation. Fix this by using the --hidden-import flag. pyinstaller --hidden-import=module_name mspm-source.py Use code with caution.