Tbh ive never had a "Shader" bug...I did use to get really bad flickering and screen problems with a non updated version of the game. Have you updated your game? Have you reinstalled the game? — Posts automatically merged - Please don't double post! — Literally the best patch for PC...if you boys are coming here looking to patch your pc version of Zero no Kiseki just use this....game runs a million times better with it too.