When I download Modloader, ModloaderMP, and then Minecraft Forge my minecraft screen freezes on the update screen.

Here's the error log I received

===Simple Minecraft Error Test===

 

Starting Minecraft...

 

27 achievements

182 recipes

Unable to open SCSI controller 0:[\] , error code: 0x5

Unable to open SCSI controller 1:[\] , error code: 0x5

LWJGL Version: 2.4.2

Exception in thread "Minecraft main thread" java.lang.UnsupportedClassVersionErr

or: net/minecraft/client/MinecraftApplet : Unsupported major.minor version 6.0

        at java.lang.ClassLoader.defineClass1(Native Method)

        at java.lang.ClassLoader.defineClass(Unknown Source)

        at java.security.SecureClassLoader.defineClass(Unknown Source)

        at java.net.URLClassLoader.defineClass(Unknown Source)

        at java.net.URLClassLoader.access$100(Unknown Source)

        at java.net.URLClassLoader$1.run(Unknown Source)

        at java.net.URLClassLoader$1.run(Unknown Source)

        at java.security.AccessController.doPrivileged(Native Method)

        at java.net.URLClassLoader.findClass(Unknown Source)

        at java.lang.ClassLoader.loadClass(Unknown Source)

        at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)

        at java.lang.ClassLoader.loadClass(Unknown Source)

        at java.lang.Class.getDeclaredFields0(Native Method)

        at java.lang.Class.privateGetDeclaredFields(Unknown Source)

        at java.lang.Class.getDeclaredFields(Unknown Source)

        at ModLoader.getPrivateValue(ModLoader.java:611)

        at ModLoader.init(ModLoader.java:799)

        at ModLoader.addAllRenderers(ModLoader.java:189)

        at ahu.<init>(ahu.java:77)

        at ahu.<clinit>(ahu.java:

        at net.minecraft.client.Minecraft.a(Minecraft.java:394)

        at net.minecraft.client.Minecraft.run(Minecraft.java:732)

        at java.lang.Thread.run(Unknown Source)

 

Finished session

 

 

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===========#Risucraft===========

 

Press any key to continue . . .

Sorry that is suppose to be 8 ) without the space.

Whatever you used to install Forge didn't work properly, I advise you use 7zip as its the one I use and it works fine.