Minecraft has crashed after installing modloader 1.4.2

#1 Nov 3, 2012
PartyRocking7
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I have just installed the modloader 1.4.2 for minecraft 1.4.2 I can't get it to work. Any help would be appreciated. thanks

--- BEGIN ERROR REPORT 674159b8 --------
Generated 11/3/12 3:27 PM

- Minecraft Version: 1.4.2
- Operating System: Windows 7 (amd64) version 6.1
- Java Version: 1.6.0_27, Sun Microsystems Inc.
- Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Sun Microsystems Inc.
- Memory: 405017808 bytes (386 MB) / 514523136 bytes (490 MB) up to 954466304 bytes (910 MB)
- JVM Flags: 2 total; -Xms512m -Xmx1024m
- AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
- ModLoader: Mods loaded: 1
ModLoader 1.4.2

java.lang.NoClassDefFoundError: BaseModMp
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(Unknown Source)
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$000(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 java.lang.ClassLoader.loadClass(Unknown Source)
at ModLoader.addMod(ModLoader.java:367)
at ModLoader.readFromModFolder(ModLoader.java:1381)
at ModLoader.init(ModLoader.java:901)
at ModLoader.addAllRenderers(ModLoader.java:215)
at azw.<init>(RenderManager.java:92)
at azw.<clinit>(RenderManager.java:14)
at net.minecraft.client.Minecraft.a(SourceFile:259)
at net.minecraft.client.Minecraft.run(SourceFile:515)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: BaseModMp
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 java.lang.ClassLoader.loadClass(Unknown Source)
... 20 more
--- END ERROR REPORT f87d4808 ----------

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#2 Nov 3, 2012
rivvest
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This is looking for ModLoaderMP, what do you have in your mods folder?

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#3 Nov 3, 2012
PartyRocking7
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Thanks for replying.
No I don't have ModLoaderMP in my Mods folder.
I had tried loading a furniture mod this is now outdated with 1.4.2. Here is a partial view of what I have in that folder.Guess my screen shot didn't make it. I have the following folders in the Mod folder
Furniture
Fruniture ModClient
gui
and quite a few .class files.

Thanks!

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#4 Nov 3, 2012
rivvest
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Take all of that old stuff out of the mods folder and only put 1.4.2 mods in there. Does it load with just ModLoader then?

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#5 Nov 3, 2012
Gumballthechewy
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Hello, I was having the same problem, installing Modloader for 1.4.2 made the game crash so I removed everything in my mod folder and it works fine now.

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#6 Nov 3, 2012
PartyRocking7
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thanks very much, it is now working!!
I really appreciate you help and knowledge

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#7 Nov 4, 2012
minecrafter145
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Ok i guess ill try that today because i have the same problem

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#8 Nov 4, 2012
minecrafter145
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where is the link for modloadermp?

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#9 Nov 4, 2012
3sorey
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I have the same problem to. But when I asked for help someone called me a **** .-.

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#10 Nov 4, 2012
Blaizer49er
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I have deleted everything in my mod folder and am using magic launcher, i am trying to run optifine modloader autoswitch and McPvp Mod Hunger games and am getting this error

Minecraft has crashed!
----------------------

Minecraft has stopped running because it encountered a problem; Exception occured in ModLoader
This error has been saved to C:\Users\Kathy\AppData\Roaming\.minecraft\crash-reports\crash-2012-11-04_19.22.02-client.txt for your convenience. Please include a copy of this file if you report this crash to anyone.

--- BEGIN ERROR REPORT aafc30bb --------
Generated 11/4/12 7:22 PM

- Minecraft Version: 1.4.2
- Operating System: Windows 7 (amd64) version 6.1
- Java Version: 1.6.0_31, Sun Microsystems Inc.
- Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Sun Microsystems Inc.
- Memory: 1423084064 bytes (1357 MB) / 1543503872 bytes (1472 MB) up to 1543503872 bytes (1472 MB)
- JVM Flags: 2 total; -Xms1536m -Xmx1536m
- AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
- ModLoader: Mods loaded: 1
ModLoader 1.4.2

java.lang.NoClassDefFoundError: ThebombzenAPIBaseMod
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(Unknown Source)
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$000(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 java.lang.ClassLoader.loadClass(Unknown Source)
at ModLoader.addMod(ModLoader.java:367)
at ModLoader.readFromClassPath(ModLoader.java:1282)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at magic.launcher.Launcher.a(Unknown Source)
at magic.launcher.j.a(Unknown Source)
at magic.launcher.q.println(Unknown Source)
at ModLoader.init(ModLoader.java:895)
at ModLoader.addAllRenderers(ModLoader.java:215)
at azw.<init>(RenderManager.java:92)
at azw.<clinit>(RenderManager.java:14)
at net.minecraft.client.Minecraft.a(Minecraft.java:323)
at net.minecraft.client.Minecraft.run(Minecraft.java:653)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: ThebombzenAPIBaseMod
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 java.lang.ClassLoader.loadClass(Unknown Source)
... 27 more
--- END ERROR REPORT 18bd2760 ----------

Please Help!???

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#11 Nov 4, 2012
rivvest
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Quote from Blaizer49er

I have deleted everything in my mod folder and am using magic launcher, i am trying to run optifine modloader autoswitch and McPvp Mod Hunger games and am getting this error
....
java.lang.NoClassDefFoundError: ThebombzenAPIBaseMod

AutoSwitch has dependencies. Read and follow the instructions carefully.

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#13 Nov 6, 2012
Hidinginthelight
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Quote from Blaizer49er

I have deleted everything in my mod folder and am using magic launcher, i am trying to run optifine modloader autoswitch and McPvp Mod Hunger games and am getting this error

Minecraft has crashed!
----------------------

Minecraft has stopped running because it encountered a problem; Exception occured in ModLoader
This error has been saved to C:\Users\Kathy\AppData\Roaming\.minecraft\crash-reports\crash-2012-11-04_19.22.02-client.txt for your convenience. Please include a copy of this file if you report this crash to anyone.

--- BEGIN ERROR REPORT aafc30bb --------
Generated 11/4/12 7:22 PM

- Minecraft Version: 1.4.2
- Operating System: Windows 7 (amd64) version 6.1
- Java Version: 1.6.0_31, Sun Microsystems Inc.
- Java VM Version: Java HotSpot™ 64-Bit Server VM (mixed mode), Sun Microsystems Inc.
- Memory: 1423084064 bytes (1357 MB) / 1543503872 bytes (1472 MB) up to 1543503872 bytes (1472 MB)
- JVM Flags: 2 total; -Xms1536m -Xmx1536m
- AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
- ModLoader: Mods loaded: 1
ModLoader 1.4.2

java.lang.NoClassDefFoundError: ThebombzenAPIBaseMod
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(Unknown Source)
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$000(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 java.lang.ClassLoader.loadClass(Unknown Source)
at ModLoader.addMod(ModLoader.java:367)
at ModLoader.readFromClassPath(ModLoader.java:1282)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at magic.launcher.Launcher.a(Unknown Source)
at magic.launcher.j.a(Unknown Source)
at magic.launcher.q.println(Unknown Source)
at ModLoader.init(ModLoader.java:895)
at ModLoader.addAllRenderers(ModLoader.java:215)
at azw.<init>(RenderManager.java:92)
at azw.<clinit>(RenderManager.java:14)
at net.minecraft.client.Minecraft.a(Minecraft.java:323)
at net.minecraft.client.Minecraft.run(Minecraft.java:653)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: ThebombzenAPIBaseMod
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 java.lang.ClassLoader.loadClass(Unknown Source)
... 27 more
--- END ERROR REPORT 18bd2760 ----------

Please Help!???

You are missing a mod required by one of the mods you have installed.

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#14 Nov 8, 2012
Spratticus
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I tried to install this using MagicLauncher for 1.4.2. I was using ModLoader 1.4.2, and Minecraft 1.4.2. And when I install it, it says its "OK". But when I launch my game, the error thing appears. Why won't it work even though it says "OK"? I really wanna install Biosphere and Recipe Book. D:

Last edited by Spratticus: Nov 8, 2012

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#15 Nov 8, 2012
Spratticus
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By the way, this is the error.

*** MagicMinecraftLauncher 1.0.0 ***
java.lang.UnsupportedClassVersionError: Bad version number in .class file
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
at java.net.URLClassLoader.access$100(URLClassLoader.java:56)
at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2395)
at java.lang.Class.getMethod0(Class.java:2642)
at java.lang.Class.getMethod(Class.java:1579)
at magic.launcher.Launcher.main(Unknown Source)

(P.S. I have a macintosh.)

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#16 Nov 8, 2012
Hidinginthelight
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Quote from GoldHunter090

By the way, this is the error.

*** MagicMinecraftLauncher 1.0.0 ***
java.lang.UnsupportedClassVersionError: Bad version number in .class file
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
at java.net.URLClassLoader.access$100(URLClassLoader.java:56)
at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2395)
at java.lang.Class.getMethod0(Class.java:2642)
at java.lang.Class.getMethod(Class.java:1579)
at magic.launcher.Launcher.main(Unknown Source)

(P.S. I have a macintosh.)

looks like you have an old version of something.
Do a force update, and make sure you downloaded all the mods from this thread: http://www.minecraftforum.net/topic/75440-v142-risugamis-mods-updated/

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#17 Nov 8, 2012
Spratticus
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I have OptiFine 1.4.2 and it works fine. But ModLoader 1.4.2 won't work. And just in case, my MagicLauncher version is 1.0.0.

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#19 Mar 24, 2013
IPlayMineCraftDoYou
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I tried to download Modloader for Too Many Items mod, but after installing Modloader and TMI, MineCraft crashed. I cleaned out my mods folder, but it still crashed.

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