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.initialize(mod_RedPowerMachine.java:57) at mod_RedPowerMachine.modsLoaded(mod_RedPowerMachine.java:25) at cpw.mods.fml.common.modloader.ModLoaderModContainer.postInit(ModLoaderModContainer.java:362) at cpw.mods.fml.common.Loader.postModInit(Loader.java:290) at cpw.mods.fml.common.Loader.initializeMods(Loader.java:629) at cpw.mods.fml.client.FMLClientHandler.onLoadComplete(FMLClientHandler.java:223) at net.minecraft.client.Minecraft.a(Minecraft.java:429) at net.minecraft.client.Minecraft.run(Minecraft.java:738) at java.lang.Thread.run(Unknown Source) --- END ERROR REPORT 550e9d6b ---------- (i dont know whats rellavant)