The original EA registration servers for Undercover have long been deactivated.
Since the old servers are gone, the old SecuROM activation doesn't work like it used to. Here is the 2024 update: 1️⃣ Contact EA Support with a pic of your disc/game case. 2️⃣ Ask them to add the digital version to your EA App account. 3️⃣ No disc required after that! nfs undercover registration code problem updated