我的jbx安装报如下错误，为什么？？？jdk是1.4.2,系统是2003 (50分)

java.lang.StringIndexOutOfBoundsException: String index out of range: -23
at java.lang.String.substring(String.java:1444)
at java.lang.String.substring(String.java:1411)
at ZeroGlh.a(Unknown Source)
at com.zerog.ia.installer.util.magicfolders.JavaHomeMF.a(Unknown Source)
at com.zerog.ia.installer.util.magicfolders.JavaHomeMF.b(Unknown Source)
at com.zerog.ia.installer.util.magicfolders.MagicFolder.initializeAllMagicFolderPaths(Unknown Source)
at com.zerog.ia.installer.Main.d(Unknown Source)
at com.zerog.ia.installer.Main.c(Unknown Source)
at com.zerog.ia.installer.Main.main(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at com.zerog.lax.LAX.launch(Unknown Source)
at com.zerog.lax.LAX.main(Unknown Source)

类没有找到，你的配置有问题
建议重装

接受答案了.