Ensure you are actually running Version 3. Older versions or specific modified "EDU" editions may occasionally use different codes (such as ), though 9966 is the standard for V3. Administrative Rights
If the password is unbreakable, consider this: The simulation is likely simple enough to rebuild. Take screenshots of the I/O configuration and logic blocks (if visible) and reconstruct the program in a new, unprotected file. This is often faster than cracking.
As he booted up his computer, he realized that he had forgotten the password to access the V3 version of his software. He had set up a password-protected login system to prevent unauthorized access to his project, but now he couldn't remember what the password was.