Board Thread:Bug Reports/@comment-76.0.85.23-20151013165453/@comment-95.91.113.207-20151017111112

.config Files are in a different folder. C:\Users\"USERNAME"\AppData\Roaming\.minecraft\config    there you finde a lotr.cfg That's the conifg file of the mod. Why more than 1GB Ram for Minecraft? Look here http://www.minecraftforum.net/forums/support/unmodified-minecraft-client/tutorials-and-faqs/1871637-tutorial-allocate-more-memory-for-minecraft

and here

http://lotrminecraftmod.wikia.com/wiki/Help/Optimizing_Performance

In general 1GB is enough for Vanilla. But, you're not playing Vanilla. You're using a very big mod. So, the more you have, the more RAM you need. I would recommend at least 1,5GB purly for Minecraft, the more the better. 2GB to 3GB are good, and if you shouldnt't get much problems then. I play with 8 to 16 GB, by the way. Minecraft is a RAM intensive game ...