ColdFusion jrunsvc.exe pegged at 45%-50% with no utilization

Hello,
I have a box running Windows Server 2008 R2 x64 with ColdFusion 9 x64.
IIS 7.5
I am noticing that the jrunsvc.exe (Which is the path file listed in the ColdFusion Application Service) is constantly being pegged at around 50% of CPU power.  I cannot figure this out.
A few odd things:
If I kill jrunsvc.exe, coldfusion will still run perfectly fine under jrun.exe.  The ColdFusion Applicaiton service will have the option to 'start', but it is not actually stopped.  I can still query and everything.
Restarting all CF services and the operating system itself does not do the trick.  I am on version 9,0,1,274733
Any ideas?  I would like to avoid a full reinstallation if at all possible.  I'm also using the internal JVM.   Any config changes I can make?  Is anyone else experiencing this problem?
Nothing is showing up in any error logs, and I even stopped the websites on IIS.  I do not think this is user generated.
Thanks!
Michael

This is coldfusion 9 enterprise.
Thanks for the help - this community is great!
Also, I keep the SOLR and the Search services disabled since I don't use them
I'm seeing this in the exception log - over and over and over again.  I have no clue what page is causing this.  I don't have any variables named in adminuser in my code.  Is there a possible memory leak or a loop that is occuring under the hood?
From application.log:
"Error","jrpp-21","11/21/10","18:40:25","cfadmin","Variable ISADMINUSER is undefined. The specific sequence of files included or processed is: E:\inetpub\wwwroot\CFIDE\adminapi\_datasource\setmsaccessregistry.cfm, line: 4 "
From exception.log:
"Error","jrpp-21","11/21/10","18:40:25","cfadmin","Variable ISADMINUSER is undefined. The specific sequence of files included or processed is: E:\inetpub\wwwroot\CFIDE\adminapi\_datasource\setmsaccessregistry.cfm, line: 4 "
coldfusion.runtime.UndefinedVariableException: Variable ISADMINUSER is undefined.
at coldfusion.runtime.CfJspPage._get(CfJspPage.java:377)
at coldfusion.runtime.CfJspPage._get(CfJspPage.java:339)
at cfsetmsaccessregistry2ecfm669422673.runPage(E:\cf9_final\cfusion\wwwroot\CFIDE\adminapi\_ datasource\setmsaccessregistry.cfm:4)
at coldfusion.runtime.CfJspPage.invoke(CfJspPage.java:231)
at coldfusion.tagext.lang.IncludeTag.doStartTag(IncludeTag.java:416)
at coldfusion.filter.CfincludeFilter.invoke(CfincludeFilter.java:65)
at coldfusion.filter.ApplicationFilter.invoke(ApplicationFilter.java:381)
at coldfusion.filter.RequestMonitorFilter.invoke(RequestMonitorFilter.java:48)
at coldfusion.filter.MonitoringFilter.invoke(MonitoringFilter.java:40)
at coldfusion.filter.PathFilter.invoke(PathFilter.java:94)
at coldfusion.filter.ExceptionFilter.invoke(ExceptionFilter.java:70)
at coldfusion.filter.ClientScopePersistenceFilter.invoke(ClientScopePersistenceFilter.java:2 8)
at coldfusion.filter.BrowserFilter.invoke(BrowserFilter.java:38)
at coldfusion.filter.NoCacheFilter.invoke(NoCacheFilter.java:46)
at coldfusion.filter.GlobalsFilter.invoke(GlobalsFilter.java:38)
at coldfusion.filter.DatasourceFilter.invoke(DatasourceFilter.java:22)
at coldfusion.filter.CachingFilter.invoke(CachingFilter.java:62)
at coldfusion.CfmServlet.service(CfmServlet.java:200)
at coldfusion.bootstrap.BootstrapServlet.service(BootstrapServlet.java:89)
at jrun.servlet.FilterChain.doFilter(FilterChain.java:86)
at coldfusion.monitor.event.MonitoringServletFilter.doFilter(MonitoringServletFilter.java:42 )
at coldfusion.bootstrap.BootstrapFilter.doFilter(BootstrapFilter.java:46)
at jrun.servlet.FilterChain.doFilter(FilterChain.java:94)
at jrun.servlet.FilterChain.service(FilterChain.java:101)
at jrun.servlet.ServletInvoker.invoke(ServletInvoker.java:106)
at jrun.servlet.JRunInvokerChain.invokeNext(JRunInvokerChain.java:42)
at jrun.servlet.JRunRequestDispatcher.invoke(JRunRequestDispatcher.java:286)
at jrun.servlet.ServletEngineService.dispatch(ServletEngineService.java:543)
at jrun.servlet.jrpp.JRunProxyService.invokeRunnable(JRunProxyService.java:203)
at jrunx.scheduler.ThreadPool$DownstreamMetrics.invokeRunnable(ThreadPool.java:320)
at jrunx.scheduler.ThreadPool$ThreadThrottle.invokeRunnable(ThreadPool.java:428)
at jrunx.scheduler.ThreadPool$UpstreamMetrics.invokeRunnable(ThreadPool.java:266)
at jrunx.scheduler.WorkerThread.run(WorkerThread.java:66)

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