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I downloaded forge 7.7 and dragged it into the minecraft.jar file. When I tried to play the game I got this.



2013-04-12 17:59:27 [INFO] [ForgeModLoader] Forge Mod Loader version 5.1.8.611 for Minecraft 1.5.1 loading
2013-04-12 17:59:27 [INFO] [ForgeModLoader] Java is Java HotSpot(TM) Client VM, version 1.7.0_13, running on Windows 7:x86:6.1, installed at C:\Program Files\Java\jre7
2013-04-12 17:59:27 [FINE] [ForgeModLoader] Java classpath at launch is C:\Users\Ben\Downloads\Minecraft.exe
2013-04-12 17:59:27 [FINE] [ForgeModLoader] Java library path at launch is C:\Program Files\Java\jre7\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:\Program Files\Common Files\Microsoft Shared\Windows Live;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Program Files\Intel\DMIX;C:\Program Files\Common Files\Roxio Shared\DLLShared\;C:\Program Files\Common Files\Roxio Shared\9.0\DLLShared\;C:\Program Files\Microsoft SQL Server\80\Tools\Binn\;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\QuickTime\QTSystem\;C:\Program Files\Windows Live\Shared;C:\Program Files\Java\jre7\bin;.
2013-04-12 17:59:27 [FINE] [ForgeModLoader] Enabling runtime deobfuscation
2013-04-12 17:59:27 [FINEST] [ForgeModLoader] All core mods are successfully located
2013-04-12 17:59:27 [FINEST] [ForgeModLoader] Discovering coremods
2013-04-12 17:59:27 [FINEST] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/argo-small-3.2.jar
2013-04-12 17:59:27 [INFO] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/argo-small-3.2.jar
2013-04-12 17:59:29 [FINEST] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/guava-14.0-rc3.jar
2013-04-12 17:59:29 [INFO] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/guava-14.0-rc3.jar
2013-04-12 17:59:41 [FINEST] [ForgeModLoader] Download complete
2013-04-12 17:59:41 [INFO] [ForgeModLoader] Download complete
2013-04-12 17:59:41 [FINEST] [ForgeModLoader] Library file guava-14.0-rc3.jar was downloaded and verified successfully
2013-04-12 17:59:41 [FINEST] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/asm-all-4.1.jar
2013-04-12 17:59:41 [INFO] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/asm-all-4.1.jar
2013-04-12 17:59:46 [SEVERE] [ForgeModLoader] There was a problem downloading the file asm-all-4.1.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

2013-04-12 17:59:46 [FINEST] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/bcprov-jdk15on-148.jar
2013-04-12 17:59:46 [INFO] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/bcprov-jdk15on-148.jar
2013-04-12 17:59:55 [FINEST] [ForgeModLoader] Download complete
2013-04-12 17:59:55 [INFO] [ForgeModLoader] Download complete
2013-04-12 17:59:55 [FINEST] [ForgeModLoader] Library file bcprov-jdk15on-148.jar was downloaded and verified successfully
2013-04-12 17:59:55 [FINEST] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/deobfuscation_data_1.5.1.zip
2013-04-12 17:59:55 [INFO] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/deobfuscation_data_1.5.1.zip
2013-04-12 18:00:00 [SEVERE] [ForgeModLoader] There was a problem downloading the file deobfuscation_data_1.5.1.zip automatically. Perhaps you have an environment without internet access. You will need to download the file manually or restart and let it try again

2013-04-12 18:00:00 [FINEST] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/scala-library.jar
2013-04-12 18:00:00 [INFO] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/scala-library.jar
2013-04-12 18:00:07 [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.
2013-04-12 18:00:07 [SEVERE] [ForgeModLoader] *** Download http://files.minecraftforge.net/fmllibs/argo-small-3.2.jar
2013-04-12 18:00:07 [SEVERE] [ForgeModLoader] *** Download http://files.minecraftforge.net/fmllibs/guava-14.0-rc3.jar
2013-04-12 18:00:07 [SEVERE] [ForgeModLoader] *** Download http://files.minecraftforge.net/fmllibs/asm-all-4.1.jar
2013-04-12 18:00:07 [SEVERE] [ForgeModLoader] *** Download http://files.minecraftforge.net/fmllibs/bcprov-jdk15on-148.jar
2013-04-12 18:00:07 [SEVERE] [ForgeModLoader] *** Download http://files.minecraftforge.net/fmllibs/deobfuscation_data_1.5.1.zip
2013-04-12 18:00:07 [SEVERE] [ForgeModLoader] *** Download http://files.minecraftforge.net/fmllibs/scala-library.jar
2013-04-12 18:00:07 [SEVERE] [ForgeModLoader] <===========>
2013-04-12 18:00:07 [SEVERE] [ForgeModLoader] The following is the errors that caused the setup to fail. They may help you diagnose and resolve the issue
2013-04-12 18:00:07 [SEVERE] [ForgeModLoader] The downloaded file argo-small-3.2.jar has an invalid checksum 7d139328273a21aea24f04d42f22ccf23711db3f (expecting 58912ea2858d168c50781f956fa5b59f0f7c6b51). The download did not succeed correctly and the file has been deleted. Please try launching again.
2013-04-12 18:00:07 [SEVERE] [ForgeModLoader] A download error occured
2013-04-12 18:00:07 [SEVERE] [ForgeModLoader] A download error occured
2013-04-12 18:00:07 [SEVERE] [ForgeModLoader] The downloaded file scala-library.jar has an invalid checksum e180cf684c46e7dbed3608a300717a00b5467be5 (expecting 458d046151ad179c85429ed7420ffb1eaf6ddf85). The download did not succeed correctly and the file has been deleted. Please try launching again.
2013-04-12 18:00:07 [SEVERE] [ForgeModLoader] <<< ==== >>>
2013-04-12 18:00:07 [SEVERE] [ForgeModLoader] The following is diagnostic information for developers to review.
2013-04-12 18:00:07 [SEVERE] [ForgeModLoader] Error details
java.lang.RuntimeException: The downloaded file argo-small-3.2.jar has an invalid checksum 7d139328273a21aea24f04d42f22ccf23711db3f (expecting 58912ea2858d168c50781f956fa5b59f0f7c6b51). The download did not succeed correctly and the file has been deleted. Please try launching again.
at cpw.mods.fml.relauncher.RelaunchLibraryManager.performDownload(RelaunchLibraryManager.java:613)
at cpw.mods.fml.relauncher.RelaunchLibraryManager.downloadFile(RelaunchLibraryManager.java:532)
at cpw.mods.fml.relauncher.RelaunchLibraryManager.handleLaunch(RelaunchLibraryManager.java:165)
at cpw.mods.fml.relauncher.FMLRelauncher.setupHome(FMLRelauncher.java:172)
at cpw.mods.fml.relauncher.FMLRelauncher.relaunchApplet(FMLRelauncher.java:259)
at cpw.mods.fml.relauncher.FMLRelauncher.appletEntry(FMLRelauncher.java:229)
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:79)
2013-04-12 18:00:07 [SEVERE] [ForgeModLoader] Error details
java.lang.RuntimeException: A download error occured
at cpw.mods.fml.relauncher.RelaunchLibraryManager.downloadFile(RelaunchLibraryManager.java:548)
at cpw.mods.fml.relauncher.RelaunchLibraryManager.handleLaunch(RelaunchLibraryManager.java:165)
at cpw.mods.fml.relauncher.FMLRelauncher.setupHome(FMLRelauncher.java:172)
at cpw.mods.fml.relauncher.FMLRelauncher.relaunchApplet(FMLRelauncher.java:259)
at cpw.mods.fml.relauncher.FMLRelauncher.appletEntry(FMLRelauncher.java:229)
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:79)
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:532)
... 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:531)
... 7 more
2013-04-12 18:00:07 [SEVERE] [ForgeModLoader] Error details
java.lang.RuntimeException: A download error occured
at cpw.mods.fml.relauncher.RelaunchLibraryManager.downloadFile(RelaunchLibraryManager.java:548)
at cpw.mods.fml.relauncher.RelaunchLibraryManager.handleLaunch(RelaunchLibraryManager.java:165)
at cpw.mods.fml.relauncher.FMLRelauncher.setupHome(FMLRelauncher.java:172)
at cpw.mods.fml.relauncher.FMLRelauncher.relaunchApplet(FMLRelauncher.java:259)
at cpw.mods.fml.relauncher.FMLRelauncher.appletEntry(FMLRelauncher.java:229)
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:79)
Caused by: java.net.SocketTimeoutException: connect 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:532)
... 7 more
Caused by: java.net.SocketTimeoutException: connect timed out
at java.net.TwoStacksPlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at sun.net.NetworkClient.doConnect(Unknown Source)
at sun.net.www.http.HttpClient.openServer(Unknown Source)
at sun.net.www.http.HttpClient.openServer(Unknown Source)
at sun.net.www.http.HttpClient.&lt;init&gt;(Unknown Source)
at sun.net.www.http.HttpClient.New(Unknown Source)
at sun.net.www.http.HttpClient.New(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.connect(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:531)
... 7 more
2013-04-12 18:00:07 [SEVERE] [ForgeModLoader] Error details
java.lang.RuntimeException: The downloaded file scala-library.jar has an invalid checksum e180cf684c46e7dbed3608a300717a00b5467be5 (expecting 458d046151ad179c85429ed7420ffb1eaf6ddf85). The download did not succeed correctly and the file has been deleted. Please try launching again.
at cpw.mods.fml.relauncher.RelaunchLibraryManager.performDownload(RelaunchLibraryManager.java:613)
at cpw.mods.fml.relauncher.RelaunchLibraryManager.downloadFile(RelaunchLibraryManager.java:532)
at cpw.mods.fml.relauncher.RelaunchLibraryManager.handleLaunch(RelaunchLibraryManager.java:165)
at cpw.mods.fml.relauncher.FMLRelauncher.setupHome(FMLRelauncher.java:172)
at cpw.mods.fml.relauncher.FMLRelauncher.relaunchApplet(FMLRelauncher.java:259)
at cpw.mods.fml.relauncher.FMLRelauncher.appletEntry(FMLRelauncher.java:229)
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:79)
2013-04-12 18:00:11 [INFO] [STDERR] Exception in thread "Thread-5" java.lang.RuntimeException: java.lang.RuntimeException: A fatal error occured and FML cannot continue
2013-04-12 18:00:11 [INFO] [STDERR] at cpw.mods.fml.relauncher.FMLRelauncher.setupHome(FMLRelauncher.java:192)
2013-04-12 18:00:11 [INFO] [STDERR] at cpw.mods.fml.relauncher.FMLRelauncher.relaunchApplet(FMLRelauncher.java:259)
2013-04-12 18:00:11 [INFO] [STDERR] at cpw.mods.fml.relauncher.FMLRelauncher.appletEntry(FMLRelauncher.java:229)
2013-04-12 18:00:11 [INFO] [STDERR] at net.minecraft.client.MinecraftApplet.init(MinecraftApplet.java:25)
2013-04-12 18:00:11 [INFO] [STDERR] at net.minecraft.Launcher.replace(Launcher.java:136)
2013-04-12 18:00:11 [INFO] [STDERR] at net.minecraft.Launcher$1.run(Launcher.java:79)
2013-04-12 18:00:11 [INFO] [STDERR] Caused by: java.lang.RuntimeException: A fatal error occured and FML cannot continue
2013-04-12 18:00:11 [INFO] [STDERR] at cpw.mods.fml.relauncher.RelaunchLibraryManager.handleLaunch(RelaunchLibraryManager.java:261)
2013-04-12 18:00:11 [INFO] [STDERR] at cpw.mods.fml.relauncher.FMLRelauncher.setupHome(FMLRelauncher.java:172)
2013-04-12 18:00:11 [INFO] [STDERR] ... 5 more




Does my computer have to be connected to the internet for it to work properly? Please let me know, I'm desperate to get this working.Also, do I have to delete the forge META file?