Guaranteed to Work
This page is the CodyCross answer for the clue below from Popcorn Time, Group 384, Puzzle 3 (Stunt Coordinator).
Question is: Guaranteed to Work
and the answer is: FOOLPROOF
Word Meaning:
FOOLPROOF — Of a device: protected against, or designed to be proof against, misuse or error.
Definitions from Wiktionary.