minecraft wont start!

its actually the launcher that wont launch

i have tried restarting computer!

also tried reinstalling java!(latest)

i have orriginal minecraft launcher

pc specs are good...used to play before

error:

Bootstrap (v5)
Current time is Jan 26, 2014 11:42:42 PM
System.getProperty('os.name') == 'Windows 7'
System.getProperty('os.version') == '6.1'
System.getProperty('os.arch') == 'amd64'
System.getProperty('java.version') == '1.7.0_51'
System.getProperty('java.vendor') == 'Oracle Corporation'
System.getProperty('sun.arch.data.model') == '64'

Looking for update
Downloading: https://s3.amazonaws.com/Minecraft.Download/launcher/launcher.pack.lzma
Didn't find an update in time.
Reversing LZMA on C:\Users\!\AppData\Roaming\.minecraft\launcher.pac k.lzma to C:\Users\!\AppData\Roaming\.minecraft\launcher.pac k
Unpacking C:\Users\!\AppData\Roaming\.minecraft\launcher.pac k to C:\Users\!\AppData\Roaming\.minecraft\launcher.jar
Got reply in: 2824ms
No update found.
Cleaning up C:\Users\!\AppData\Roaming\.minecraft\launcher.pac k
Starting launcher.
FATAL ERROR: java.lang.ExceptionInInitializerError
at org.apache.logging.log4j.util.PropertiesUtil.<init >(PropertiesUtil.java:71)
at org.apache.logging.log4j.util.PropertiesUtil.<clin it>(PropertiesUtil.java:31)
at org.apache.logging.log4j.status.StatusLogger.<clin it>(StatusLogger.java:48)
at org.apache.logging.log4j.LogManager.<clinit>(LogMa nager.java:44)
at net.minecraft.launcher.Launcher.<clinit>(Launcher. java:58)
at sun.reflect.NativeConstructorAccessorImpl.newInsta nce0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInsta nce(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newI nstance(Unknown Source)
at java.lang.reflec*****nstructor.newInstance(Unknown Source)
at net.minecraft.bootstrap.Bootstrap.startLauncher(Bo otstrap.java:240)
at net.minecraft.bootstrap.Bootstrap.execute(Bootstra p.java:124)
at net.minecraft.bootstrap.Bootstrap.main(Bootstrap.j ava:381)
Caused by: java.lang.NullPointerException
at org.apache.logging.log4j.util.ProviderUtil.<clinit >(ProviderUtil.java:70)
... 12 more


Please fix the error and restart.



please help!