[mkwang2006]

Hello everybody,

when I try to start FLUENT of ansys 12.1, the starting window only appears for a few seonds and then shuts down and get the following error:

The FLUENT application failed to valdidate the connection:
Ansys.Fluent.Cortex.CortexUserReadableError: The FLUENT application failed to validate the connection.
at Ansys.Fluent.Cortex.CortexCommunicator.StartClient (Boolean batchMode, LauncherEditMode editMode, Boolean justRun, Boolean pendingMode, String workingDirectory, List`1 args, List`1 clientArgs)
at Ansys.Fluent.FluentCommunicator.StartFluent(String settingsFileName, String workDir, Boolean batchMode, Boolean pendingMode)
at Ansys.Fluent.Data.SetupData.LaunchFluent(IFullCont ext context, Boolean batchMode, DataContainerReference fromContainer, Boolean startedInternally, Boolean pendingMode)
at Ansys.Fluent.Data.SetupData.LaunchFluentAndRead(IF ullContext context, Boolean batchMode, Boolean loadSolution, DataContainerReference fromContainer, Boolean internallyStarted, Boolean reuseSession, Boolean pendingMode)
at Ansys.Fluent.Commands.EditCommand.Execute(IFullCon text context)
at Ansys.Core.Commands.Concurrency.CommandWorkUnit.ex ecuteInContext(CommandContext subContext, IExecutionEngineCallback tracer)
at Ansys.Core.Commands.Concurrency.BaseWorkUnit.doExe cute(IExecutionEngineCallback executionEngine, CommandContext subContext)
at Ansys.Core.Commands.Concurrency.BaseWorkUnit.Execu te(IExecutionEngineCallback executionEngine, Boolean dontCatchExceptions)
--- Ansys.Core.Commands.CommandFailedException: The FLUENT application failed to validate the connection.
CommandName: Fluent.Edit(Container="Setup")
at Ansys.Core.Commands.CommandAsyncResult.Wait(Int32 milliSecondsTimeout, Boolean exitContext)
at Ansys.Core.Commands.CommandAsyncResult.Wait()
at Ansys.Fluent.Commands.EditCommand.InvokeAndWait(IP rotectedContext context, DataContainerReference Container, Boolean Interactive)
at Ansys.Fluent.Gui.GuiUtilities.GetLauncherSettingsA ndEdit(GuiOperationContext operationContext, DataContainerReference cref, LauncherEditMode editMode)
at Ansys.Fluent.Gui.OpenInFluentGui.Invoke(GuiOperati onContext operationContext)
at Ansys.UI.UIManager.<>c__DisplayClassb.<InvokeOpera tion>b__a()
at Ansys.UI.UIManager.InvokeOperationCore(String pseudoname, OperationDelegate callback, Boolean allowOSMessages, Boolean coreTransaction)


The OS of the platform is windows7, and the ANSYS is 12.1 version. Can anybody help me on this please?

Wei Wang
College of Mechanical Engineering and Automation
Fuzhou University
Email:mkwang@fzu.edu.cn