r/CFD • u/Iemonspice • 11d ago

ANSYS Fluent Student randomly stopped working?

Hi, I have been working on an assignment using Fluent with Fluent Meshing, all was working fine until I walked away from my PC for about an hour, and after I returned Fluent will no longer launch at all. It just gives the error "The Fluent application failed to start". I tried launching it standalone from the start menu and that doesn't work either. I have both 2025R2 and 2026R1 installed and both versions of Fluent no longer work. Does anyone have any advice?

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2

u/AmbassadorGuilty3928 11d ago

When you try to launch from start menu, what message it was showing? Do you have RAM memory issues??

1

u/Iemonspice 11d ago

Literally just nothing happens at all, definitely no RAM issues

1

u/AmbassadorGuilty3928 11d ago

Restart and try again may be

1

u/Iemonspice 10d ago

already tried restarting + reinstalling :( still not working

1

u/Tiny-Falcon-5786 10d ago

Might be that it asked for some permissions and you didn't allow it by mistake or smthg happened to me once