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ANSYS Fluent solutions abnormal exit after 1047 timesteps

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Old   November 10, 2022, 04:12
Default ANSYS Fluent solutions abnormal exit after 1047 timesteps
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I'm doing a simulation of an OWC.
(2d, double precision, pressure-based, VOF, SST k-omega, transient)
58556 nodes
60483 elements
80.000 timesteps of 0.001s

Using AMD rysen 9 and 64 GB ram. At first I used all 16 cores then I used only 6 (~10k elements per core) same problem keeps appearing. Solving window simply shuts down, computer doesn't show any signs of lagging. It's like a command is being given. I 'am obviously using a cracked version of the program which was set up I believe using floating license from "localhost" (don't take my word on this last sentence, not sure what I was doing just following instructions for the setup).

Right before exiting, the solution writes :

"MPI Application rank 0 exited before MPI_Finalize() with status -1"

and an error folder appears in results with this message (time and date changes of course):

"Error [node 0] [time #/#/# #:#:#] Abnormal Exit!"

Besides the licensing I've seen this might be a problem related to automatic windows update or windows defender.
I am able to continue the solution every time from last save (I save every 50 timesteps) until it stops the same way after 1047 timesteps. I could keep doing this, however I keep losing some data from my diagrams and at this rate I won't reach the deadline for my University thesis.
Thank you in advance

Here's the first and last steps from the solution
sample of trancribe.txt

As well as the report
report.txt
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