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Fluent does not launch from workbench

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Old   August 27, 2013, 08:56
Default Fluent does not launch from workbench
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Hello,

I'm trying to run Fluent on my computer. I have installed a valid academic version of ansys 14.5.7 downloaded from their internet site, i have a valid license from a server machine but I have a problem to launch Fluent from workbench. I can use Design Modeler and make the mesh but when I click on the setup button to launch Fluent, it crashes and I get the following message:

Quote:
Ansys.Fluent.Cortex.CortexUserReadableException: The FLUENT application failed to start.
Ansys.Fluent.Cortex.CortexCommunicator.StartClient (Boolean batchMode, LauncherEditMode editMode, Boolean justRun, Boolean pendingMode, String workingDirectory, List`1 args, List`1 clientArgs, Dictionary`2 environmentVariables)
Ansys.Fluent.FluentCommunicator.StartFluent(String settingsFileName, String workDir, Boolean batchMode, Boolean pendingMode, Dictionary`2 environmentVariables)
Ansys.Fluent.Data.SetupData.LaunchFluent(IFullCont ext context, Boolean batchMode, DataContainerReference fromContainer, Boolean startedInternally, Boolean pendingMode, Boolean mesherMode, Boolean IsUadpViaRsm, Boolean IsSetupUpdate)
Ansys.Fluent.Data.SetupData.LaunchFluentAndRead(IF ullContext context, Boolean batchMode, Boolean loadSolution, DataContainerReference fromContainer, Boolean internallyStarted, Boolean reuseSession, Boolean pendingMode, Boolean isRsmUpdate)
Ansys.Fluent.Commands.EditCommand.Execute(IFullCon text context)
Ansys.Core.Commands.Concurrency.CommandWorkUnit.ex ecuteInContext(CommandContext subContext, IExecutionEngineCallback tracer)
Ansys.Core.Commands.Concurrency.BaseWorkUnit.doExe cute(IExecutionEngineCallback executionEngine, CommandContext subContext)
Ansys.Core.Commands.Concurrency.BaseWorkUnit.Execu te(IExecutionEngineCallback executionEngine, Boolean dontCatchExceptions)
--- Ansys.Core.Commands.CommandFailedException: The FLUENT application failed to start.
CommandName: Fluent.Edit(Container="Setup")
Ansys.Core.Commands.CommandAsyncResult.Wait(Int32 milliSecondsTimeout, Boolean exitContext)
Ansys.Core.Commands.CommandAsyncResult.Wait()
Ansys.Fluent.Commands.EditCommand.InvokeAndWait(IP rotectedContext context, DataContainerReference Container, Boolean Interactive)
Ansys.Fluent.Gui.GuiUtilities.GetLauncherSettingsA ndEdit(GuiOperationContext operationContext, DataContainerReference cref, LauncherEditMode editMode)
Ansys.Fluent.Gui.OpenInFluentGui.Invoke(GuiOperati onContext context)
Ansys.UI.UIManager.<>c__DisplayClassb.<InvokeOpera tion>b__a()
Ansys.UI.UIManager.InvokeOperationCore(String pseudoname, OperationDelegate callback, Boolean allowOSMessages, Boolean coreTransaction)
However, when I launch Fluent alone from the start menu, it works perfectly.

Besides, the program CFD-Post does not launch (either from workbench or from start menu) and I get the following message:

Quote:
The application has encountered an unexpected problem and will now terminate: Aborting due to unexpected error:
comm::error: AppWindow::initialize - Error waiting for viewer connection from engine:
Please report this error, along with the circumstances in which it occurred.
The following information may be useful to CFX support:
Unexpected error: Aborting due to unexpected error:
comm::error: AppWindow::initialize - Error waiting for viewer connection from engine:
I have downloaded the Ansys files twice from their internet site and I also have uninstalled and reinstalled Ansys twice. I still get the same problem.

Could someone help me please?

Thank you
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Old   September 3, 2014, 03:54
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Michael Kruger
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Hi NickyNac.

I get the same error with CFD Post. Have you resolved the problem?
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Old   September 11, 2014, 14:35
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Hi Mich_k,

I am sorry but I did not find any solution. I suspected the firewall or the antivirus or an outdated driver but nothing worked. The customer portal could not help either. I had to use another computer.
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Old   August 3, 2015, 04:19
Default Hi
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i had this problem too..but now
i solve this problem to update java and window.
i don't know why this problem disappear...
but if you have this problem until now, i recommend update.
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Old   November 13, 2015, 10:06
Smile Win7 solution
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John
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Quote:
Originally Posted by Yoonyeong View Post
i had this problem too..but now
i solve this problem to update java and window.
i don't know why this problem disappear...
but if you have this problem until now, i recommend update.
Finally, solved this problem, thx Yoonyeong for providing an advice.
On Windows7 you should update the system via Update Center.
I didn't perform updates since 2012, and it have resulted in 197 updates installed just now. Now, the connection to FLUENT from WB works!
(works, at least for ANSYS Student v 16.2 )
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