This happened when installing Forge (when I started minecraft there was this FML download thing and it said Fatal error and check the crash log at .minecraft)

Here is the crash log:

 

Starting Minecraft...

 

2013-05-01 16:20:44 [iNFO] [ForgeModLoader] Forge Mod Loader version 5.1.43.678

for Minecraft 1.5.1 loading

2013-05-01 16:20:44 [iNFO] [ForgeModLoader] Java is Java HotSpot Client VM,

version 1.7.0_10, running on Windows 7:x86:6.1, installed at C:\Program Files\Ja

va\jre7

2013-05-01 16:20:45 [sEVERE] [ForgeModLoader] There were errors during initial F

ML setup. Some files failed to download or were otherwise corrupted. You will ne

ed to manually obtain the following files from these download links and ensure y

our lib directory is clean.

2013-05-01 16:20:45 [sEVERE] [ForgeModLoader] *** Download http://files.minecraf

tforge.net/fmllibs/argo-small-3.2.jar

2013-05-01 16:20:45 [sEVERE] [ForgeModLoader] *** Download http://files.minecraf

tforge.net/fmllibs/guava-14.0-rc3.jar

2013-05-01 16:20:45 [sEVERE] [ForgeModLoader] *** Download http://files.minecraf

tforge.net/fmllibs/asm-all-4.1.jar

2013-05-01 16:20:45 [sEVERE] [ForgeModLoader] *** Download http://files.minecraf

tforge.net/fmllibs/bcprov-jdk15on-148.jar

2013-05-01 16:20:45 [sEVERE] [ForgeModLoader] *** Download http://files.minecraf

tforge.net/fmllibs/deobfuscation_data_1.5.1.zip

2013-05-01 16:20:45 [sEVERE] [ForgeModLoader] *** Download http://files.minecraf

tforge.net/fmllibs/scala-library.jar

2013-05-01 16:20:45 [sEVERE] [ForgeModLoader] <===========>

2013-05-01 16:20:45 [sEVERE] [ForgeModLoader] The following is the errors that c

aused the setup to fail. They may help you diagnose and resolve the issue

2013-05-01 16:20:45 [sEVERE] [ForgeModLoader] The file scala-library.jar was fou

nd in your lib directory and has an invalid checksum dc62ebffa7794609fc4dd8ab247

9da6de490a078 (expecting 458d046151ad179c85429ed7420ffb1eaf6ddf85) - it is unlik

ely to be the correct download, please move it out of the way and try again.

2013-05-01 16:20:45 [sEVERE] [ForgeModLoader] <<< ==== >>>

2013-05-01 16:20:45 [sEVERE] [ForgeModLoader] The following is diagnostic inform

ation for developers to review.

2013-05-01 16:20:45 [sEVERE] [ForgeModLoader] Error details

java.lang.RuntimeException: The file scala-library.jar was found in your lib dir

ectory and has an invalid checksum dc62ebffa7794609fc4dd8ab2479da6de490a078 (exp

ecting 458d046151ad179c85429ed7420ffb1eaf6ddf85) - it is unlikely to be the corr

ect download, please move it out of the way and try again.

        at cpw.mods.fml.relauncher.RelaunchLibraryManager.handleLaunch(RelaunchL

ibraryManager.java:193)

        at cpw.mods.fml.relauncher.FMLRelauncher.setupHome(FMLRelauncher.java:17

2)

        at cpw.mods.fml.relauncher.FMLRelauncher.relaunchClient(FMLRelauncher.ja

va:104)

        at cpw.mods.fml.relauncher.FMLRelauncher.handleClientRelaunch(FMLRelaunc

her.java:38)

        at net.minecraft.client.Minecraft.main(Minecraft.java:2236)

2013-05-01 16:20:47 [iNFO] [sTDERR] Exception in thread "main" java.lang.Runtime

Exception: java.lang.RuntimeException: A fatal error occured and FML cannot cont

inue

2013-05-01 16:20:47 [iNFO] [sTDERR]    at cpw.mods.fml.relauncher.FMLRelauncher

.setupHome(FMLRelauncher.java:192)

2013-05-01 16:20:47 [iNFO] [sTDERR]    at cpw.mods.fml.relauncher.FMLRelauncher

.relaunchClient(FMLRelauncher.java:104)

2013-05-01 16:20:47 [iNFO] [sTDERR]    at cpw.mods.fml.relauncher.FMLRelauncher

.handleClientRelaunch(FMLRelauncher.java:38)

2013-05-01 16:20:47 [iNFO] [sTDERR]    at net.minecraft.client.Minecraft.main(M

inecraft.java:2236)

2013-05-01 16:20:47 [iNFO] [sTDERR] Caused by: java.lang.RuntimeException: A fat

al error occured and FML cannot continue

2013-05-01 16:20:47 [iNFO] [sTDERR]    at cpw.mods.fml.relauncher.RelaunchLibra

ryManager.handleLaunch(RelaunchLibraryManager.java:261)

2013-05-01 16:20:47 [iNFO] [sTDERR]    at cpw.mods.fml.relauncher.FMLRelauncher

.setupHome(FMLRelauncher.java:172)

2013-05-01 16:20:47 [iNFO] [sTDERR]    ... 3 more

 

Finished session

 

 

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