File system permission blocks or conflicting save games left over from vanilla profile paths.
Extract the Patch 1.21 archive. Copy and paste these updated files into the main game folder, choosing to "Replace All Files in Destination."
: Notable new entries include the Bugatti Chiron Supersport 300+ , Aston Martin V12 Vantage Zagato , and Dodge Charger SRT8 (2006) . Car Replacements & Reworks : Replaced older models like the Audi S5 with the Audi RS6 Avant and the Pontiac Solstice with the Cadillac CTS-V 2016 . Popular classics like the Nissan Skyline GT-R R32 and Mazda RX-7 also received mechanical and visual reworks.
"I'm in."
Added 2-step tuning for the Pagani Zonda R and several Brabus models (E63, SV12 S, ML63). Reworked physics for the BMW 850csi and handling for bikes.
: This update is designed for the Platinum Mod and may require a fresh "clean" installation if you encounter crashes during cutscenes or while using external launchers like Project Paradise.
Platinum changes the game database completely. You cannot use old vanilla saves; you must start a new profile. Why You Should Play It