Purplesmart Posted May 11, 2013 Share Posted May 11, 2013 I downloaded and installed optifine HD U D2 1.5.2 from http://optifine.net/downloads.php I used winrar to move the files to bin\modpack.jar so that it appears as: I deleted the META INF folder I started Big Dig via the technicpack launcher and I get this grey screen: The grey screen lasts forever. It doesn't appear when I use the original modpack.jar Does anyone know what's wrong? Link to comment Share on other sites More sharing options...
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