Launcher wont work properly

[RainbowFlashTAlicorn]

Launcher Version: 3.1.2

Operating System: asus/windows xp

Java Version: Java 7 updata 25

Antivirus Program: Avast anti virus trial

Description of Problem:

My launcher gets to the loading screen but never gets to login screen and never closes again so i have to restart my computer to close it please help cause i really want to do a tekkit series for youtube

Error Messages:

Error Log:

2013/10/13 06:49:37 [iNFO] ------------------------------------------

2013/10/13 06:49:37 [iNFO] Technic Launcher is starting....

2013/10/13 06:49:37 [iNFO] Launcher Build: 253

2013/10/13 06:49:37 [iNFO] ------------ Startup Parameters ------------

2013/10/13 06:49:37 [iNFO] Relaunched with correct memory

2013/10/13 06:49:37 [iNFO] --------- End of Startup Parameters ---------

2013/10/13 06:49:34 [iNFO] ------------------------------------------

2013/10/13 06:49:34 [iNFO] Technic Launcher is starting....

2013/10/13 06:49:34 [iNFO] Launcher Build: 253

2013/10/13 06:49:34 [iNFO] ------------ Startup Parameters ------------

2013/10/13 06:49:34 [iNFO] --------- End of Startup Parameters ---------

2013/10/13 06:49:34 [iNFO] Attempting relaunch with 1024 mb of RAM

2013/10/13 06:49:34 [iNFO] Path to Launcher Jar: D:\My Documents\Katie\TechnicLauncher (1).exe

2013/10/13 06:49:40 [sEVERE] Unhandled Exception in Thread[main,5,main]

java.lang.UnsatisfiedLinkError: no jpeg in java.library.path

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

at java.lang.Runtime.loadLibrary0(Unknown Source)

at java.lang.System.loadLibrary(Unknown Source)

at sun.security.action.LoadLibraryAction.run(Unknown Source)

at sun.security.action.LoadLibraryAction.run(Unknown Source)

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

at com.sun.imageio.plugins.jpeg.JPEGImageReader.<clinit>(Unknown Source)

at com.sun.imageio.plugins.jpeg.JPEGImageReaderSpi.createReaderInstance(Unknown Source)

at javax.imageio.spi.ImageReaderSpi.createReaderInstance(Unknown Source)

at javax.imageio.ImageIO$ImageReaderIterator.next(Unknown Source)

at javax.imageio.ImageIO$ImageReaderIterator.next(Unknown Source)

at javax.imageio.ImageIO.read(Unknown Source)

at javax.imageio.ImageIO.read(Unknown Source)

at org.spoutcraft.launcher.skin.TechnicLoginFrame.getIcon(TechnicLoginFrame.java:437)

at org.spoutcraft.launcher.skin.components.BackgroundImage.<init>(BackgroundImage.java:55)

at org.spoutcraft.launcher.skin.TechnicLoginFrame.<init>(TechnicLoginFrame.java:126)

at org.spoutcraft.launcher.entrypoint.SpoutcraftLauncher.main(SpoutcraftLauncher.java:138)

[RainbowFlashTAlicorn]

Now when i try to load it again it says "Cant find main class.Program will now exit"