If your game crashes immediately with a "Cyberpunk 2077 has flatlined" message, the most common culprit is legacy mods.
Resolves stuttering and frame rate drops, particularly in heavily populated areas like Dogtown.
When prompted, browse and select your main Cyberpunk 2077 installation directory (the folder containing the bin folder).
: The primary cause was often the game's file path containing special characters or being too long. The fix that worked for many was to move the entire Cyberpunk 2077 game folder to a simpler location, like the root of a hard drive (e.g., D:\Cyberpunk 2077 ) and ensure the folder name had no spaces or unusual characters. In more stubborn cases, a complete reinstallation of the game using a newer repack was necessary.
Ensure you have downloaded the exact update files. For instance: Cyberpunk 2077 update 1.63 - 2.0 Cyberpunk 2077 update 2.0 - 2.01 Step 3: Run the Installer