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Stutter / Pause about every second

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Sometimes, especially on long flights, P3D (and FSX in the past) will stutter/pause very briefly about once a second.

Lowering settings etc does not eliminate this stutter/pause, only a restart of the sim.


Strangely, the stutter coincides with the update frequency of task manager and process explorer. Just after each update within task manager the sim exhibits its stutter.


I have no unusual disk activity and no processes hogging CPU time. The only thing I have not checked is my paging file setup, but assumed this would not be used due to 16GB of RAM.


Any suggestions appreciated.



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Do you have autosave checked in FSUIPC? The default setting is save every minute, which is too much. Another thing to look at is excluding P3D from your anti-virus program, it might be scanning everytime something loads like scenery or weather.

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