Flash Forms Disapper

["ciscosom" <webforumsuser@xxxxxxxxxxxxxx>]

We have cold fusion 7 running on a windows 2003 IIS , there are couple of flash 
forms that stops working after a while , so only workaround we have is to 
restart IIS And Cold fusion server , has any body encountered such issues 
earlier ?  i see exception error in Cold fusion logs as below 
  
 coldfusion.runtime.TemplateNotFoundException: File not found: 
/comment/reverb.cfm
        at coldfusion.filter.PathFilter.invoke(PathFilter.java:83)
        at coldfusion.filter.ExceptionFilter.invoke(ExceptionFilter.java:69)
        at 
coldfusion.filter.BrowserDebugFilter.invoke(BrowserDebugFilter.java:52)
        at 
coldfusion.filter.ClientScopePersistenceFilter.invoke(ClientScopePersistenceFilt
er.java:28)
        at coldfusion.filter.BrowserFilter.invoke(BrowserFilter.java:38)
        at coldfusion.filter.GlobalsFilter.invoke(GlobalsFilter.java:38)
        at coldfusion.filter.DatasourceFilter.invoke(DatasourceFilter.java:22)
        at 
coldfusion.filter.RequestThrottleFilter.invoke(RequestThrottleFilter.java:115)
        at coldfusion.CfmServlet.service(CfmServlet.java:107)
        at 
coldfusion.bootstrap.BootstrapServlet.service(BootstrapServlet.java:78)
        at jrun.servlet.ServletInvoker.invoke(ServletInvoker.java:91)
        at jrun.servlet.JRunInvokerChain.invokeNext(JRunInvokerChain.java:42)
        at 
jrun.servlet.JRunRequestDispatcher.invoke(JRunRequestDispatcher.java:257)
        at 
jrun.servlet.ServletEngineService.dispatch(ServletEngineService.java:541)
        at 
jrun.servlet.jrpp.JRunProxyService.invokeRunnable(JRunProxyService.java:204)
        at 
jrunx.scheduler.ThreadPool$DownstreamMetrics.invokeRunnable(ThreadPool.java:318)
        at 
jrunx.scheduler.ThreadPool$ThreadThrottle.invokeRunnable(ThreadPool.java:426)
        at 
jrunx.scheduler.ThreadPool$UpstreamMetrics.invokeRunnable(ThreadPool.java:264)
        at jrunx.scheduler.WorkerThread.run(WorkerThread.java:66)