Imnotdylan

After i sign in and start up voltz i just get a white screen then a screen that pops up that says hello then it goes away then it just white screens.

Im trying to join my server and it wont let me join all it says is "you dont have FML installed" someone please help!

Im trying to join my server and it wont let me join all it says is "you dont have FML installed" someone please help!

i try to play tekkit and my tekkit says "cant authentacate account

on my tekkit server i cant seem to get any part of railcraft working i cant craft or make anything that has to do with railcraft please reply soon.

on my private server i want to do some railcraft stuff like make coal coke but i cant make the bricks needed anything railcraft i cant make i really need help. i cant even spawn anything railcraft on my server.