luacs1998

Log or lock.

You DID install bouncycastle, didn't you?

Up to the mod authors, Lex has stated repeatedly that he's not gonna do it.

Install optifine after forge.

I think it should be okay to ignore the dialog. Just bear in mind that world corruption may occur.

Are you using mineshafter by any chance?

Reinstall.

Grab files.minecraftforge.net/fmllibs/bcprov-jdk15on-147.jar , put in minecraft/lib

Sadly the OP can't follow instructions, so... Thread locked.

Update.

Delete forge.cfg in your configs.

2013-02-10 09:59:54 [sEVERE] [ForgeModLoader] *** Download http://files.minecraftforge.net/fmllibs/argo-2.25.jar 2013-02-10 09:59:54 [sEVERE] [ForgeModLoader] *** Download http://files.minecraftforge.net/fmllibs/guava-12.0.1.jar 2013-02-10 09:59:54 [sEVERE] [ForgeModLoader] *** Download http://files.minecraftforge.net/fmllibs/asm-all-4.0.jar 2013-02-10 09:59:54 [sEVERE] [ForgeModLoader] *** Download http://files.minecraftforge.net/fmllibs/bcprov-jdk15on-147.jar

You broke Forge somehow. Rebuild your jar, make sure to put optifine after.

Logs or gtfo.

RP autoassign broke, delete redpower.cfg

Install optifine after forge.

Logs or gtfo.

2012-08-27 10:51:04 [ForgeModLoader] Forge Mod Loader version 3.0.71.289 for Minecraft client:1.3.2, server:1.3.2 loading

1.4.6 mods work on 1.4.7.

Update CCC and NEI.

Then get us a log.

Update.

Read EAQ.

If the Dx series doesn't work, inform sp614x.

Ignore it.