java.lang.NullPointerException TpT43

java.lang.NullPointerException
at com.sun.deploy.association.utility.WinRegistryWrapper.WinRegDeleteKey(Unknown Source)
at com.sun.deploy.config.WinPlatform.cacheCurrentConfig(Unknown Source)
at com.sun.deploy.config.ClientConfig.storeConfig(Unknown Source)
at com.sun.deploy.config.ClientConfig.storeIfNeeded(Unknown Source)
at com.sun.deploy.config.ClientConfig.init(Unknown Source)
at com.sun.deploy.config.WebStartConfig.init(Unknown Source)
at com.sun.deploy.config.ClientConfig.(Unknown Source)
at com.sun.deploy.config.WebStartConfig.(Unknown Source)
at com.sun.javaws.Main.main(Unknown Source)