No! I must've gotten in there by mistake.
5 seconds sound clip from the TRON (1982) movie soundboard.
You can hear this line at 00:07:20 in the Blu-ray version of the movie.
Quote context
[...]
- He came into the system with a stolen password.
- We caught him trying to raid our high-clearance memory.
- No! I must've gotten in there by mistake.
- You're in trouble, program. Make it easy on yourself. Who's your User?
- Forget it, Mr. High And Mighty Master Control.
[...]