i can't fix the white screen please help :(

[spiekman168]

Launcher Version: Technic launcher 1.0.1.3

Operating System: Windows XP 32 bit operating system desktop

Java Version: 1.7.0_15 or java 7 update 15

Antivirus Program: Ad Aware

Description of Problem:

when i try to go onto a modded custom pack it white screen it does fine with no mods any where tekkit lite volts Technic and everything else does the same thing even with the mod pack it still breaks why? also nothing but real time protection antivirus and anti spyware and safe browsing is activated so don't say deactivate it. I've been working hard on fixing this problem if i put it on reg minecraft it works fine so why is it doing this?

Error Messages:

none

Error Log:

2013-02-27 15:02:12 [FINEST] [ForgeModLoader] Minecraft validated, launching...

2013-02-27 15:02:12 [iNFO] [sTDOUT] Inserted super call into avz.c

2013-02-27 15:02:12 [iNFO] [sTDOUT] avf was overriden from Not-Enough-Items-Mod-1.4.6.jar

2013-02-27 15:02:13 [iNFO] [sTDERR] Exception in thread "AWT-EventQueue-0" java.lang.RuntimeException: cpw.mods.fml.relauncher.ReflectionHelper$UnableToFindClassException: java.lang.ClassNotFoundException: net.minecraft.Launcher

2013-02-27 15:02:13 [iNFO] [sTDERR]at cpw.mods.fml.relauncher.FMLRelauncher.relaunchApplet(FMLRelauncher.java:269)

2013-02-27 15:02:13 [iNFO] [sTDERR]at cpw.mods.fml.relauncher.FMLRelauncher.appletEntry(FMLRelauncher.java:212)

2013-02-27 15:02:13 [iNFO] [sTDERR]at net.minecraft.client.MinecraftApplet.init(MinecraftApplet.java:25)

2013-02-27 15:02:13 [iNFO] [sTDERR]at org.spoutcraft.launcher.MinecraftAppletEnglober.init(MinecraftAppletEnglober.java:110)

2013-02-27 15:02:13 [iNFO] [sTDERR]at org.spoutcraft.launcher.gui.LauncherFrame.runGame(LauncherFrame.java:114)

2013-02-27 15:02:13 [iNFO] [sTDERR]at org.spoutcraft.launcher.gui.LoginForm.runGame(LoginForm.java:900)

2013-02-27 15:02:13 [iNFO] [sTDERR]at org.spoutcraft.launcher.gui.LoginForm$2$1.done(LoginForm.java:807)

2013-02-27 15:02:13 [iNFO] [sTDERR]at javax.swing.SwingWorker$5.run(Unknown Source)

2013-02-27 15:02:13 [iNFO] [sTDERR]at javax.swing.SwingWorker$DoSubmitAccumulativeRunnable.run(Unknown Source)

2013-02-27 15:02:13 [iNFO] [sTDERR]at sun.swing.AccumulativeRunnable.run(Unknown Source)

2013-02-27 15:02:13 [iNFO] [sTDERR]at javax.swing.SwingWorker$DoSubmitAccumulativeRunnable.actionPerformed(Unknown Source)

2013-02-27 15:02:13 [iNFO] [sTDERR]at javax.swing.Timer.fireActionPerformed(Unknown Source)

2013-02-27 15:02:13 [iNFO] [sTDERR]at javax.swing.Timer$DoPostEvent.run(Unknown Source)

2013-02-27 15:02:13 [iNFO] [sTDERR]at java.awt.event.InvocationEvent.dispatch(Unknown Source)

2013-02-27 15:02:13 [iNFO] [sTDERR]at java.awt.EventQueue.dispatchEventImpl(Unknown Source)

2013-02-27 15:02:13 [iNFO] [sTDERR]at java.awt.EventQueue.access$200(Unknown Source)

2013-02-27 15:02:13 [iNFO] [sTDERR]at java.awt.EventQueue$3.run(Unknown Source)

2013-02-27 15:02:13 [iNFO] [sTDERR]at java.awt.EventQueue$3.run(Unknown Source)

2013-02-27 15:02:13 [iNFO] [sTDERR]at java.security.AccessController.doPrivileged(Native Method)

2013-02-27 15:02:13 [iNFO] [sTDERR]at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)

2013-02-27 15:02:13 [iNFO] [sTDERR]at java.awt.EventQueue.dispatchEvent(Unknown Source)

2013-02-27 15:02:13 [iNFO] [sTDERR]at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)

2013-02-27 15:02:13 [iNFO] [sTDERR]at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)

2013-02-27 15:02:13 [iNFO] [sTDERR]at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)

2013-02-27 15:02:13 [iNFO] [sTDERR]at java.awt.EventDispatchThread.pumpEvents(Unknown Source)

2013-02-27 15:02:13 [iNFO] [sTDERR]at java.awt.EventDispatchThread.pumpEvents(Unknown Source)

2013-02-27 15:02:13 [iNFO] [sTDERR]at java.awt.EventDispatchThread.run(Unknown Source)

2013-02-27 15:02:13 [iNFO] [sTDERR] Caused by: cpw.mods.fml.relauncher.ReflectionHelper$UnableToFindClassException: java.lang.ClassNotFoundException: net.minecraft.Launcher

2013-02-27 15:02:13 [iNFO] [sTDERR]at cpw.mods.fml.relauncher.ReflectionHelper.getClass(ReflectionHelper.java:159)

2013-02-27 15:02:13 [iNFO] [sTDERR]at cpw.mods.fml.relauncher.FMLRelauncher.relaunchApplet(FMLRelauncher.java:254)

2013-02-27 15:02:13 [iNFO] [sTDERR]... 26 more

2013-02-27 15:02:13 [iNFO] [sTDERR] Caused by: java.lang.ClassNotFoundException: net.minecraft.Launcher

2013-02-27 15:02:13 [iNFO] [sTDERR]at java.net.URLClassLoader$1.run(Unknown Source)

2013-02-27 15:02:13 [iNFO] [sTDERR]at java.net.URLClassLoader$1.run(Unknown Source)

2013-02-27 15:02:13 [iNFO] [sTDERR]at java.security.AccessController.doPrivileged(Native Method)

2013-02-27 15:02:13 [iNFO] [sTDERR]at java.net.URLClassLoader.findClass(Unknown Source)

2013-02-27 15:02:13 [iNFO] [sTDERR]at org.spoutcraft.launcher.MinecraftClassLoader.findClass(MinecraftClassLoader.java:64)

2013-02-27 15:02:13 [iNFO] [sTDERR]at java.lang.ClassLoader.loadClass(Unknown Source)

2013-02-27 15:02:13 [iNFO] [sTDERR]at java.lang.ClassLoader.loadClass(Unknown Source)

2013-02-27 15:02:13 [iNFO] [sTDERR]at java.lang.Class.forName0(Native Method)

2013-02-27 15:02:13 [iNFO] [sTDERR]at java.lang.Class.forName(Unknown Source)

2013-02-27 15:02:13 [iNFO] [sTDERR]at cpw.mods.fml.relauncher.ReflectionHelper.getClass(ReflectionHelper.java:151)

2013-02-27 15:02:13 [iNFO] [sTDERR]... 27 more

[spiekman168]

guys please help i have re installed java deleted everything and re installed everything please help :(

[spiekman168]

i feel really stupid right now all i did was use the .exe file not the .jar whats the difference between the .jar and .exe?