If it’s missing, verify game files (Steam) or reinstall.

: Add settings.exe as an allowed app in your Windows Security settings or set the game folder as an exclusion. Optimization and Controls

Your antivirus or "Controlled Folder Access" may block the tool from writing to the Documents\KONAMI folder. Add settings.exe as an exclusion in Windows Security.

The settings tool is the first line of defense against modern PC bugs. The "Fast Forward" Glitch: