If the game refuses to launch or asks for a disc, you can try this community-suggested "Foobar" trick:
The most popular ZIP file ( NFSUnderground2.WidescreenFix.zip ) adds support for modern resolutions and fixes the game's aspect ratio.
Official v1.1 or v1.2 patches are often archived in ZIP format to fix bugs and improve stability. 📂 Installation Basics
ZIPs frequently contain dinput8.dll , which allows custom scripts and mods to run.
Community guides often point to ZIP files for the following purposes: