So here is the error log, hope you can help me my english is not the best.
whoops, I guess I picked a old error log, I am very sorry for that!
2013-01-05 16:14:52 [iNFO] [ForgeModLoader] Forge Mod Loader version 4.6.12.511 for Minecraft 1.4.6 loading
2013-01-05 16:14:52 [FINEST] [ForgeModLoader] All core mods are successfully located
2013-01-05 16:14:52 [FINEST] [ForgeModLoader] Discovering coremods
2013-01-05 16:14:52 [FINEST] [ForgeModLoader] Found library file argo-2.25.jar present and correct in lib dir
2013-01-05 16:14:52 [FINEST] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/guava-12.0.1.jar
2013-01-05 16:14:52 [iNFO] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/guava-12.0.1.jar
2013-01-05 16:14:57 [sEVERE] [ForgeModLoader] There was a problem downloading the file guava-12.0.1.jar automatically. Perhaps you have an environment without internet access. You will need to download the file manually or restart and let it try again
2013-01-05 16:14:57 [FINEST] [ForgeModLoader] Found library file asm-all-4.0.jar present and correct in lib dir
2013-01-05 16:14:57 [FINEST] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/bcprov-jdk15on-147.jar
2013-01-05 16:14:57 [iNFO] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/bcprov-jdk15on-147.jar
2013-01-05 16:15:02 [sEVERE] [ForgeModLoader] There was a problem downloading the file bcprov-jdk15on-147.jar automatically. Perhaps you have an environment without internet access. You will need to download the file manually or restart and let it try again
2013-01-05 16:15:02 [sEVERE] [ForgeModLoader] There were errors during initial FML setup. Some files failed to download or were otherwise corrupted. You will need to manually obtain the following files from these download links and ensure your lib directory is clean.
2013-01-05 16:15:02 [sEVERE] [ForgeModLoader] *** Download http://files.minecraftforge.net/fmllibs/argo-2.25.jar
2013-01-05 16:15:02 [sEVERE] [ForgeModLoader] *** Download http://files.minecraftforge.net/fmllibs/guava-12.0.1.jar
2013-01-05 16:15:02 [sEVERE] [ForgeModLoader] *** Download http://files.minecraftforge.net/fmllibs/asm-all-4.0.jar
2013-01-05 16:15:02 [sEVERE] [ForgeModLoader] *** Download http://files.minecraftforge.net/fmllibs/bcprov-jdk15on-147.jar
2013-01-05 16:15:02 [sEVERE] [ForgeModLoader] <===========>
2013-01-05 16:15:02 [sEVERE] [ForgeModLoader] The following is the errors that caused the setup to fail. They may help you diagnose and resolve the issue
2013-01-05 16:15:02 [sEVERE] [ForgeModLoader] A download error occured
2013-01-05 16:15:02 [sEVERE] [ForgeModLoader] A download error occured
2013-01-05 16:15:02 [sEVERE] [ForgeModLoader] <<< ==== >>>
2013-01-05 16:15:02 [sEVERE] [ForgeModLoader] The following is diagnostic information for developers to review.
2013-01-05 16:15:02 [sEVERE] [ForgeModLoader] Error details
java.lang.RuntimeException: A download error occured
at cpw.mods.fml.relauncher.RelaunchLibraryManager.downloadFile(RelaunchLibraryManager.java:483)
at cpw.mods.fml.relauncher.RelaunchLibraryManager.handleLaunch(RelaunchLibraryManager.java:132)
at cpw.mods.fml.relauncher.FMLRelauncher.setupHome(FMLRelauncher.java:155)
at cpw.mods.fml.relauncher.FMLRelauncher.relaunchApplet(FMLRelauncher.java:242)
at cpw.mods.fml.relauncher.FMLRelauncher.appletEntry(FMLRelauncher.java:212)
at net.minecraft.client.MinecraftApplet.init(MinecraftApplet.java:25)
at net.minecraft.Launcher.replace(Launcher.java:136)
at net.minecraft.Launcher$1.run(Launcher.java:80)
Caused by: java.net.SocketTimeoutException: Read timed out
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection$6.run(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection$6.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at sun.net.www.protocol.http.HttpURLConnection.getChainedException(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
at cpw.mods.fml.relauncher.RelaunchLibraryManager.downloadFile(RelaunchLibraryManager.java:467)
... 7 more
Caused by: java.net.SocketTimeoutException: Read timed out
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(Unknown Source)
at java.net.SocketInputStream.read(Unknown Source)
at java.io.BufferedInputStream.fill(Unknown Source)
at java.io.BufferedInputStream.read1(Unknown Source)
at java.io.BufferedInputStream.read(Unknown Source)
at sun.net.www.http.HttpClient.parseHTTPHeader(Unknown Source)
at sun.net.www.http.HttpClient.parseHTTP(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getHeaderField(Unknown Source)
at java.net.URLConnection.getHeaderFieldLong(Unknown Source)
at java.net.URLConnection.getContentLengthLong(Unknown Source)
at java.net.URLConnection.getContentLength(Unknown Source)
at cpw.mods.fml.relauncher.RelaunchLibraryManager.downloadFile(RelaunchLibraryManager.java:466)
... 7 more
2013-01-05 16:15:02 [sEVERE] [ForgeModLoader] Error details
java.lang.RuntimeException: A download error occured
at cpw.mods.fml.relauncher.RelaunchLibraryManager.downloadFile(RelaunchLibraryManager.java:483)
at cpw.mods.fml.relauncher.RelaunchLibraryManager.handleLaunch(RelaunchLibraryManager.java:132)
at cpw.mods.fml.relauncher.FMLRelauncher.setupHome(FMLRelauncher.java:155)
at cpw.mods.fml.relauncher.FMLRelauncher.relaunchApplet(FMLRelauncher.java:242)
at cpw.mods.fml.relauncher.FMLRelauncher.appletEntry(FMLRelauncher.java:212)
at net.minecraft.client.MinecraftApplet.init(MinecraftApplet.java:25)
at net.minecraft.Launcher.replace(Launcher.java:136)
at net.minecraft.Launcher$1.run(Launcher.java:80)
Caused by: java.net.SocketTimeoutException: Read timed out
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection$6.run(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection$6.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at sun.net.www.protocol.http.HttpURLConnection.getChainedException(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
at cpw.mods.fml.relauncher.RelaunchLibraryManager.downloadFile(RelaunchLibraryManager.java:467)
... 7 more
Caused by: java.net.SocketTimeoutException: Read timed out
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(Unknown Source)
at java.net.SocketInputStream.read(Unknown Source)
at java.io.BufferedInputStream.fill(Unknown Source)
at java.io.BufferedInputStream.read1(Unknown Source)
at java.io.BufferedInputStream.read(Unknown Source)
at sun.net.www.http.HttpClient.parseHTTPHeader(Unknown Source)
at sun.net.www.http.HttpClient.parseHTTP(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getHeaderField(Unknown Source)
at java.net.URLConnection.getHeaderFieldLong(Unknown Source)
at java.net.URLConnection.getContentLengthLong(Unknown Source)
at java.net.URLConnection.getContentLength(Unknown Source)
at cpw.mods.fml.relauncher.RelaunchLibraryManager.downloadFile(RelaunchLibraryManager.java:466)
... 7 more
2013-01-05 16:15:05 [iNFO] [sTDERR] Exception in thread "Thread-3" java.lang.RuntimeException: java.lang.RuntimeException: A fatal error occured and FML cannot continue
2013-01-05 16:15:05 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.FMLRelauncher.setupHome(FMLRelauncher.java:175)
2013-01-05 16:15:05 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.FMLRelauncher.relaunchApplet(FMLRelauncher.java:242)
2013-01-05 16:15:05 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.FMLRelauncher.appletEntry(FMLRelauncher.java:212)
2013-01-05 16:15:05 [iNFO] [sTDERR] at net.minecraft.client.MinecraftApplet.init(MinecraftApplet.java:25)
2013-01-05 16:15:05 [iNFO] [sTDERR] at net.minecraft.Launcher.replace(Launcher.java:136)
2013-01-05 16:15:05 [iNFO] [sTDERR] at net.minecraft.Launcher$1.run(Launcher.java:80)
2013-01-05 16:15:05 [iNFO] [sTDERR] Caused by: java.lang.RuntimeException: A fatal error occured and FML cannot continue
2013-01-05 16:15:05 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.RelaunchLibraryManager.handleLaunch(RelaunchLibraryManager.java:228)
2013-01-05 16:15:05 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.FMLRelauncher.setupHome(FMLRelauncher.java:155)
2013-01-05 16:15:05 [iNFO] [sTDERR] ... 5 more
