Foros del web, para los que viven de bits

Hola a todos.
Soy novato con ColdFusion y despues de instalarmelo no puedo acceder a la configuración del administrador.
Me sale el error siguiente:

java.lang.NoClassDefFoundError
at javax.crypto.Cipher.getInstance([DashoPro-V1.2-120198])
at coldfusion.compiler.TemplateReader.decrypt(Unknown Source)
at coldfusion.compiler.TemplateReader.(Unknown Source)
at coldfusion.compiler.NeoTranslationContext.getPageR eader(Unknown Source)
at coldfusion.compiler.NeoTranslator.translateJava(Un known Source)
at coldfusion.compiler.NeoTranslator.translateJava(Un known Source)
at coldfusion.runtime.TemplateClassLoader$1.fetch(Unk nown Source)
at coldfusion.util.LruCache.get(Unknown Source)
at coldfusion.runtime.TemplateClassLoader$TemplateCac he.fetchSerial(Unknown Source)
at coldfusion.util.AbstractCache.fetch(Unknown Source)
at coldfusion.util.SoftCache.get(Unknown Source)
at coldfusion.runtime.TemplateClassLoader.findClass(U nknown Source)
at coldfusion.filter.PathFilter.invoke(Unknown Source)
at coldfusion.filter.ExceptionFilter.invoke(Unknown Source)
at coldfusion.filter.ClientScopePersistenceFilter.inv oke(Unknown Source)
at coldfusion.filter.BrowserFilter.invoke(Unknown Source)
at coldfusion.filter.GlobalsFilter.invoke(Unknown Source)
at coldfusion.filter.DatasourceFilter.invoke(Unknown Source)
at coldfusion.CfmServlet.service(Unknown Source)
at jrun.servlet.ServletInvoker.invoke(ServletInvoker. java:106)
at jrun.servlet.JRunInvokerChain.invokeNext(JRunInvok erChain.java:42)
at jrun.servlet.JRunRequestDispatcher.invoke(JRunRequ estDispatcher.java:241)
at jrun.servlet.ServletEngineService.dispatch(Servlet EngineService.java:527)
at jrun.servlet.http.WebService.invokeRunnable(WebSer vice.java:172)
at jrunx.scheduler.ThreadPool$DownstreamMetrics.invok eRunnable(ThreadPool.java:348)
at jrunx.scheduler.ThreadPool$ThreadThrottle.invokeRu nnable(ThreadPool.java:451)
at jrunx.scheduler.ThreadPool$UpstreamMetrics.invokeR unnable(ThreadPool.java:294)
at jrunx.scheduler.WorkerThread.run(WorkerThread.java :66)

Me gustaria o necesitaria saber porque.
Gracias de antemano.