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Discuss installation & licensing of our Ansys Teaching and Research products.

Why can’t I start Fluent launcher 21r1?

    • l_koers
      Subscriber

      Dear all,

      A few weeks ago, I somehow became unable to start the fluent launcher I had pinned to the windows taskbar. It started to give me the following error:

    • Rob
      Forum Moderator
      The launcher is C:\Program Files\ANSYS Inc\v212\fluent\ntbin\win64\fluent.exe If you're missing dll's then it may be something else has overwritten some of the common files. This seems to be becoming a more common issue as other software providers overwrite common files rather than including their own.
    • l_koers
      Subscriber
      Hi Rob Thank you for your reply.
      It helps that the cause of the problem might be more clear, but I'm not sure how to proceed.
      I forgot to mention that CFX launcher worked fine and it seems to be a Fluent-related problem. I've uninstalled everything and installed Fluent and SpaceClaim only, but the problem persists.
      If I take a look at the target destination of the Fluent shortcut, the target is ""C:\Program Files\ANSYS Inc\v211\fluent\ntbin\win64\fluent.exe" -r21.1.0 -shortcut". If I remove "-shortcut" or " -r21.1.0 -shortcut" from that target destination, it launches fluent in local parallel mode.
    • Rob
      Forum Moderator
      Does that launch the launcher so you can set parallel options etc or launch the solver directly?
    • l_koers
      Subscriber
      It launches Fluent in meshing mode. If I switch to solutions mode its in 3d, double precision, local parallel mode.
      So no Fluent launcher to adjust any settings
    • Rob
      Forum Moderator
      What happens if you click on "Solution" in the top left? It sounds like you used Fluent Meshing and need to open the solver.


    • l_koers
      Subscriber
      Hi Rob I got the following suggestion from the firm that sells and consults in Ansys in the Netherlands.
      It took them a few weeks, but it probably had something to do with a permission issue for a folder. I was asked to run the code below in the windows command prompt:
      ______________________________________________
      setlocal

      pushd .

      cd /d"%appdata%"

      ifexist Launcher(

      move Launcher Launcher%time::=%

      )

      cd /d"%localappdata%"

      ifexist Launcher(

      move Launcher Launcher%time::=%

      )

      popd

      mkdir c:\zansys1

      set homedrive=c:

      set homepath=\zansys1

      "C:\Program Files\ANSYS Inc\v211\fluent\ntbin\win64\fluent.exe" -r21.1.0 -shortcut

      endlocal
      ___________________________
      I'm don't understand the specifics but I've got access to the Fluent launcher again.

    • Rob
      Forum Moderator
      That looks like it's removing the %appdata% folder - it's a common fix when the software does something weird. Roughly the %appdata% holds the user settings and can get messed up, so removing it means the software recreates the folder without the rubbish.
    • l_koers
      Subscriber
      Thanks for clarifying Rob!
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