RSOffice Exception

I only noticed this happen when I updated to the latest build <Product>Microsoft Power BI Report Server Version 14.0.600.437</Product>

I dont think its affecting anything that is being used but it keep happening over and over in the logs.

2017-11-30 14:54:36.4703|INFO|56|Throttled restart of process by 3,599,328.14ms: Office
2017-11-30 14:54:36.4703|INFO|56|Launching Process : Office
2017-11-30 14:54:36.4703|INFO|56|Starting Process: C:\Program Files\Microsoft Power BI Report Server\PBIRS\Office\RSOffice.exe
2017-11-30 14:54:37.1110|WARN|64|Child Process [Office] Died. Check the log for further information

2017-11-30 14:54:36.8141|INFO|1|CFG : rsConfigFilePath = [C:\Program Files\Microsoft Power BI Report Server\PBIRS\ReportServer\rsreportserver.config] (env)
2017-11-30 14:54:36.8766|INFO|1|CFG : SecureConnectionLevel = [0] (env)
2017-11-30 14:54:37.0172|INFO|1|CFG : MaxActiveReqForOneUser = [20] (env)
2017-11-30 14:54:37.0172|INFO|1|CFG : MaxActiveReqForAnonymous = [200] (default)
2017-11-30 14:54:37.0172|FATAL|1|Could not start OfficeSystem.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Net.HttpListenerException: Access is denied
at System.Net.HttpListener.AddAllPrefixes()
at System.Net.HttpListener.Start()
at Microsoft.Owin.Host.HttpListener.OwinHttpListener.Start(HttpListener listener, Func`2 appFunc, IList`1 addresses, IDictionary`2 capabilities, Func`2 loggerFactory)
at Microsoft.Owin.Host.HttpListener.OwinServerFactory.Create(Func`2 app, IDictionary`2 properties)
--- End of inner exception stack trace ---
at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
at Microsoft.Owin.Hosting.ServerFactory.ServerFactoryAdapter.Create(IAppBuilder builder)
at Microsoft.Owin.Hosting.Engine.HostingEngine.Start(StartContext context)
at Microsoft.BIServer.Office.WebHost.Program.Main(String[] args)