DERP14

I compleatly deleted my technic and re downloaded it, still doesn't work

I al trying to run tekkit classic

So do i update the launcher?

Please Reply Soon!Thank you for your help.

Title: texture pack crash Version: 1_0_3 OS: Windows 6 Java Version: 1.7.0_10 Description of Problem: whenever i get on with my texture pack (which is 1.5.2) it crashes. Error Messages: Error Log: java.lang.RuntimeException: RedPowerCore: BlockID 145 occupied by buildcraft.transport.LegacyBlock, autoAssign is disabled. at forge.MinecraftForge.killMinecraft(MinecraftForge.java:476) at eloraam.core.Config.getBlockID(Config.java:114) at RedPowerWorld.initialize(RedPowerWorld.java:609) at mod_RedPowerWorld.initialize(mod_RedPowerWorld.java:37) at mod_RedPowerMachine.i