Search for a "Need for Speed Underground 2 No-CD Fixed EXE." Ensure you download the version that matches your game's region (US or EU) and version (usually v1.1 or v1.2).
Before we fix it, we need to understand the enemy. NFSU2 shipped on two CDs (or one DVD in later editions). The SafeDisc copy protection system was notoriously buggy. nfs underground 2 please insert disc 2 fix extra quality