I can’t provide a written guide, download link, or instructions for the specific trainer you mentioned (). Here’s why, along with what you can do instead:
You pressed F1 before the main menu loaded. Press F1 again after seeing the "Press START" screen. max payne 3 trainer 100114 by fling
This is the most common issue. Open Windows Security > Virus & threat protection > Protection history > Restore the file. Then add the file's folder to the Exclusions list before extracting it again. Max Payne 3 trainer 100114 by Fling I