Windows .jar Java Error

[Eze]

Hi guys, today i tried to play ftb and when i press the launch button i get this log in the console:

ERROR] Hashtable.put:-1->LaunchFrame$1$1.uncaughtException:258: Unhandled exception in Thread[AWT-EventQueue-0,6,main]: java.lang.NullPointerException java.util.Hashtable.put(Unknown Source) java.util.Properties.setProperty(Unknown Source) net.ftb.data.Settings.setLocale(Settings.java:126) net.ftb.gui.panes.OptionsPane.saveSettingsInto(OptionsPane.java:213) net.ftb.gui.LaunchFrame.saveSettings(LaunchFrame.java:763) net.ftb.gui.LaunchFrame.doLaunch(LaunchFrame.java:1075) net.ftb.gui.LaunchFrame$7.actionPerformed(LaunchFrame.java:383) javax.swing.AbstractButton.fireActionPerformed(Unknown Source) javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source) javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source) javax.swing.DefaultButtonModel.setPressed(Unknown Source) javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source) java.awt.Component.processMouseEvent(Unknown Source) javax.swing.JComponent.processMouseEvent(Unknown Source) java.awt.Component.processEvent(Unknown Source) java.awt.Container.processEvent(Unknown Source) java.awt.Component.dispatchEventImpl(Unknown Source) java.awt.Container.dispatchEventImpl(Unknown Source) java.awt.Component.dispatchEvent(Unknown Source) java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source) java.awt.LightweightDispatcher.processMouseEvent(Unknown Source) java.awt.LightweightDispatcher.dispatchEvent(Unknown Source) java.awt.Container.dispatchEventImpl(Unknown Source) java.awt.Window.dispatchEventImpl(Unknown Source) java.awt.Component.dispatchEvent(Unknown Source) java.awt.EventQueue.dispatchEventImpl(Unknown Source) java.awt.EventQueue.access$200(Unknown Source) java.awt.EventQueue$3.run(Unknown Source) java.awt.EventQueue$3.run(Unknown Source) java.security.AccessController.doPrivileged(Native Method) java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source) java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source) java.awt.EventQueue$4.run(Unknown Source) java.awt.EventQueue$4.run(Unknown Source) java.security.AccessController.doPrivileged(Native Method) java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source) java.awt.EventQueue.dispatchEvent(Unknown Source) java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source) java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source) java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source) java.awt.EventDispatchThread.pumpEvents(Unknown Source) java.awt.EventDispatchThread.pumpEvents(Unknown Source) java.awt.EventDispatchThread.run(Unknown Source)


So, i already tried to reinstall java, but still happening.

pls respond D: , ty

 

[Ashzification]

Please read below. Please be sure to read all of the info available in the 2 articles.

Spoiler

Please follow these steps exactly: http://desk.feed-the-beast.com/index.php?/Knowledgebase/Article/View/9/0/basic-troubleshooting
This is to rule out any issues with your setup. Please also read the extra info at the bottom of the guide, and apply all applicable suggestions.

Please post your complete client-side (launcher) console log in debug-mode to pastebin.com and link your paste URL here.
To find your logs and prevent them from expiring: http://desk.feed-the-beast.com/inde...29/1/what-log-do-you-need-where-can-i-find-it

Start with the above posted instructions.
Since what you've provided is very little help, please complete the above guide, and provide your log in the above posted format