For PC players, the most reliable "fix" is often manually restoring a backup or editing the save data. Here is how to fix bugged Riddler trophy progress and get back to locking Edward Nigma in the GCPD.
He launched the game. The Warner Bros. logo spun, the smoke billowed, and the main menu appeared. batman arkham knight riddler trophies save file fix
If the easy tricks fail, it’s time to manipulate the save file directly. This is the most reliable for PC players. For PC players, the most reliable "fix" is