The “UBYTE4N Vertex Data” error in Call of Duty 4: Modern Warfare typically occurs when the video card or driver does not support certain features required by the game.
The error when appears it prevents players from playing the game by causing the screen to freeze or crash and is commonly caused due to outdated or corrupt graphics drivers, incorrect game settings, or hardware issues.
Hardeep has always been a Windows lover ever since she got her hands on her first Windows XP PC. She has always been enthusiastic about technological stuff, especially Artificial Intelligence (AI) computing. Before joining PC Error Fix, she worked as a freelancer and worked on numerous technical projects.