Unable to login to open fire chat or admin console

No other changes were done to the system. running latest openfire 3.8.1 on a windows server 2003. i configured openfire to use LDAP. bellow is the error.log file msg's. If there is anything else i can add let me know.

thanks for your input.

2012.04.26 09:40:41 Error loading plugin: C:\Program Files\Openfire\plugins\iball-auditor

java.lang.NoClassDefFoundError: org/jivesoftware/wildfire/container/Plugin

          at java.lang.ClassLoader.defineClass1(Native Method)

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

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

          at java.security.SecureClassLoader.defineClass(Unknown Source)

          at java.net.URLClassLoader.defineClass(Unknown Source)

          at java.net.URLClassLoader.access$000(Unknown Source)

          at java.net.URLClassLoader$1.run(Unknown Source)

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

          at java.net.URLClassLoader.findClass(Unknown Source)

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

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

          at org.jivesoftware.openfire.container.PluginManager.loadPlugin(PluginManager.java :420)

          at org.jivesoftware.openfire.container.PluginManager.access$300(PluginManager.java :80)

          at org.jivesoftware.openfire.container.PluginManager$PluginMonitor.run(PluginManag er.java:1067)

          at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)

          at java.util.concurrent.FutureTask$Sync.innerRunAndReset(Unknown Source)

          at java.util.concurrent.FutureTask.runAndReset(Unknown Source)

          at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101 (Unknown Source)

          at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodi c(Unknown Source)

          at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknow n Source)

          at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)

          at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)

          at java.lang.Thread.run(Unknown Source)

Caused by: java.lang.ClassNotFoundException: org.jivesoftware.wildfire.container.Plugin

          at java.net.URLClassLoader$1.run(Unknown Source)

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

          at java.net.URLClassLoader.findClass(Unknown Source)

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

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

          ... 23 more