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Awesome! Now I won't waste hours of installing mods because! The magic launcher loads the mods for ya!

just wanted to know if anyone has gotten this error CoFHCore " minimum version required is 1.5.1.1 This is a clean install of MC. anyone now how to fix this thanks

I have downloaded magic loader to use optifine which i need for HD texturepacks and to improve general performance.
If i use the magic loader i can use edit to add the optifine mod which says OK for mod found.
I have tried to test minecraft with just optifine as the only active mod and when i try to load a world it crashes.
I also tried it with using nothing but magic loader and it still crashes.

If anyone here can help me with my problem i'd apreciate it a lot
The crash log is:


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

Minecraft has stopped running because it encountered a problem; Rendering screen

A full error report has been saved to C:\Users\Steff\AppData\Roaming\.minecraft\crash-reports\crash-2013-04-30_00.55.22-client.txt - Please include a copy of that file (Not this screen!) if you report this crash to anyone; without it, they will not be able to help fix the crash



--- BEGIN ERROR REPORT ba399bb7 --------
Full report at:
C:\Users\Steff\AppData\Roaming\.minecraft\crash-reports\crash-2013-04-30_00.55.22-client.txt
Please show that file to Mojang, NOT just this screen!

Generated 30/04/13 0:55

-- Head --
Stacktrace:
at ajt.h(SourceFile:45)
at ajt.<init>(SourceFile:31)
at ajp.<init>(SourceFile:16)
at ajq.a(SourceFile:83)
at net.minecraft.client.Minecraft.a(SourceFile:1363)
at axu.e(SourceFile:166)
at axv.a(SourceFile:218)
at axt.a(SourceFile:175)
at axu.a(SourceFile:191)

-- Screen render details --
Details:
Screen name: bkg
Mouse location: Scaled: (175, 156). Absolute: (350, 166)
Screen size: Scaled: (427, 240). Absolute: (854, 480). Scale factor of 2
Stacktrace:
at bfr.b(SourceFile:768)
at net.minecraft.client.Minecraft.K(SourceFile:597)
at net.minecraft.client.Minecraft.run(SourceFile:526)
at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
Minecraft Version: 1.5.1
Operating System: Windows 8 (amd64) version 6.2
Java Version: 1.7.0_17, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 478408184 bytes (456 MB) / 514523136 bytes (490 MB) up to 514523136 bytes (490 MB)
JVM Flags: 2 total; -Xms512m -Xmx512m
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Suspicious classes: No suspicious classes found.
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
LWJGL: 2.4.2
OpenGL: Intel(R) HD Graphics 4000 GL version 4.0.0 - Build 9.17.10.2828, Intel
Is Modded: Very likely; Jar signature invalidated
Type: Client (map_client.txt)
Texture Pack: Default
Profiler Position: N/A (disabled)
Vec3 Pool Size: ~~ERROR~~ NullPointerException: null

java.lang.RuntimeException: Failed to check session lock, aborting
at ajt.h(SourceFile:45)
at ajt.<init>(SourceFile:31)
at ajp.<init>(SourceFile:16)
at ajq.a(SourceFile:83)
at net.minecraft.client.Minecraft.a(SourceFile:1363)
at axu.e(SourceFile:166)
at axv.a(SourceFile:218)
at axt.a(SourceFile:175)
at axu.a(SourceFile:191)
at bfr.b(SourceFile:768)
at net.minecraft.client.Minecraft.K(SourceFile:597)
at net.minecraft.client.Minecraft.run(SourceFile:526)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT 2001067c ----------

I tried to just use Minecraft Forge (It's on the top) as the only mod (It says ''1 errors'')
When I test (or login) with the mod on, I always get this screen:

*** 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:676)
    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:317)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
    at magic.launcher.Launcher.main(Unknown Source)

Please help ASAP!
Also, my Magic Launcher is an OS X Version

Outlaw, you need to have Forge loaded in Magic before Optifine or else it won't work...In other words, you need to have Forge also...

MagicLauncher 1.0.0
java.home: C:\Program Files (x86)\Java\jre7
java.runtime.name: Java(TM) SE Runtime Environment
java.runtime.version: 1.7.0_21-b11
os.name: Windows 7
os.version: 6.1
os.arch: x86
sun.arch.data.model: 32
------------------------------------

Everything was going just fine. A few hours ago, I was playing great. Now It won't let me online. If I go to minecraft.net to play though, I can get online just fine. What's going on?

Does MagicLauncher support the new snapshots?

I'm having an issue where the game suddenly crashes whenever it's loaded with Magic Launcher. I only use three mods (Zan's Minimap, Show Durability, and OptiFine - loaded in that order) and am running on Ubuntu 12.04.2 LTS using Java 6, Java 7, or even OpenJDK.

Without fail, the game will always close without an error message; the time it takes to crash is, however, varying greatly. Sometimes it will crash within the first minute of playing, and sometimes it will crash after playing for an hour. It's always different.

I can't seem to find any info in any error logs, so I was wondering if there's a way to find out exactly what's causing the crash. As a side note, I am getting hs_err_pidxxxx.log files on a regular basis whenever the game is loaded, stating something like the following:

# A fatal error has been detected by the Java Runtime Environment:
#
#  SIGSEGV (0xb) at pc=0x00007f565dc54c58, pid=3882, tid=140009097701120

However, the file creation time never pertains to when the game crashes; it almost always pertains to the time the game was loaded.

Quote from Lumarra

Outlaw, you need to have Forge loaded in Magic before Optifine or else it won't work...In other words, you need to have Forge also...

Sorry but I actually don't have Optifine turned on
the only mod I have on is Forge

Quote from Izac9191

you people ARE LAZY, "download a mod installer". WHY! Install it correctly and you wont even NEED this crap

I can run any MC from 1.6.6 to 1.5.1 in seconds, if already loaded, minutes (5 or less) if I must create a new configuration.
I have yet to encounter any problem with Magic or SKMCLauncher that wasn't easily overcome..
I can plug in a new Mod, test whether it's something I want to keep, and remove it without ever messing with the MC.jar.
You call it lazy if you like. I call it smart!

Any help with this one:

*** MagicMinecraftLauncher 1.0.0 ***
java.lang.VerifyError: (class: net/minecraft/client/Minecraft, method: K signature: ()V) Incompatible argument to function
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Unknown Source)
at java.lang.Class.getMethod0(Unknown Source)
at java.lang.Class.getMethod(Unknown Source)
at magic.launcher.Launcher.main(Unknown Source)


Just changed to 1.5.2 and installed Java 7 update 21.

Edit: Updated my forge and Optifine and works fine, just needed to update mods.

for some reason, I get a lot of ??? in my loaded mods :s

Did you read the spoilers on page 1, post 1?
If they work who cares?

Im Just Gonna Say That The Magic Launcher Does Not Work With The Newer Snapshot's Like 13w18b Doesn't Load With Magic Launcher The Version Says Invalid And When I Start It It Says:::


*** MagicMinecraftLauncher 1.0.0 ***
java.lang.ClassNotFoundException: net.minecraft.client.Minecraft
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 magic.launcher.Launcher.main(Unknown Source)

Ya There Ya Go Hopefully You Can Fix It Good Luck...

Hi, I have a problem with the launcher *** Starting Minecraft ***
Minecraft version: 1.5.2
Minecraft.jar: minecraft.jar
Java path: C:\Program Files\Java\jre7\bin\java
Memory: 1536 MB
LauncherPath: /C:/Users/MAL xEsponjosox/Desktop/MagicLauncher_1.0.0.exe
Error occurred during initialization of VM
Could not reserve enough space for object heap
Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.

Hi again,

Well I finally upgraded to MC 1.5.2 and tried out magicLauncher with it. Sad this is, it just black-screens. I am using the latest forge for 1.5.2 "7.8.0.684" and nothing else. I even renamed all of the standard folders to start with a blank slate - config, mods, coremods, etc.

My log is behind the spoilers tags. By the way, installing forge the normal way by copying it into the minecraft.jar works as expected. So, only MagicLauncher can be causing the failure.


Any information on why it is failing? Please let me know.

EDIT: By the way, if I start MagicLauncher and point it at a pre-loaded (with MCF already inserted) minecraft.jar, ML detects that is premodded and starts minecraft with no blackscreen of death. So, somewhere in the injection phase ML is causing an error with MCF on startup. I hope this information helps.

S

This is what I got even with 4000 MB:

*** Starting Minecraft ***
Minecraft version: 1.5.2
Minecraft.jar: minecraft.jar
Base folder: C:\Users\Davis\AppData\Roaming\.minecraft
Java path: C:\Program Files\java\jre7\bin\java.exe
Memory: 4000 MB
LauncherPath: /C:/Users/Davis/Desktop/MagicLauncher_1.0.0.exe
Error occurred during initialization of VM
Could not reserve enough space for object heap
Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.

Can you fix it? I'm getting the exact same thing every time!

I'd like that.

Last days minecraft 1.5.2 came out. Now i can only open minecraft with the original launcher. Thats ok, but i dont have the mods anymore.

Quote from ipodlover3354

This is what I got even with 4000 MB:





Can you fix it? I'm getting the exact same thing every time!

I'd like that.

the way it's looking is you don't have enough memory to support giving MC 4000MB of memory. try dumming it down to 1024mb and see if that works. if it does, slowly go up in memory sizes till you find one that works just before one that doesen't work.