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Nicrative

Chaseplane causing Windows Antimalware high CPU usage

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Hello,

Over the past few weeks while simming I have been having some performance issues ansd stuttering on my simulator. After some investigation I found out that while P3D was running my Windown Antimalware Service Executable (MsMpENG.exe process) was utilising high portion of my CPU (15-20%). Especially P3D being CPU haevy software it started to max out my CPU and bottleneck perfromance.

Now after even further investigation I got it narrowed down to ChasePlane, because starting simulator without it doesn't cause this Windows Defender process to raise, but as soon as I start ChasePlane it goes to 15-20% again. I have now solved this issue by adding ChasePlane.exe and ChasePlane_Bridge.exe processes as exclusions on Windows defender. But would there be a way to solve this so that it doesn't happen at all in the first place without exclusions. I know Windows Defender can be a bit pain sometimes with overly strict scanning etc.. but still would be nice to see because not everyone is able to find out the issue that easily.

Best regards,
Nic

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I had the same problem and solved it the same way with exclusions.

I don't recall this happening until recently.

 

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Yes this is a problem. I did not know what was causing it as I just by accident noticed it in task manager about an hour ago. Thanks for posting....saved me a lot of time looking for the  problem. For a short time it was using about 40% of CPU!!


Sam

Prepar3D V5.3/12700K@5.1/EVGA 3080 TI/1000W PSU/Windows 10/40" 4K Samsung@3840x2160/ASP3D/ASCA/ORBX/
ChasePlane/General Aviation/Honeycomb Alpha+Bravo/MFG Rudder Pedals/

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I did some more research into this, because last time I also had %localappdata%\Temp in my exclusions. Now I removed that and it jumped again to 12% on my CPU. Added it again and the CPU usage dissapeared. Now adding all theses exclusions can become a security threat pretty quickly. Especially when excluding some common folders with lots of traffic like Temp folder.

I have also narrowed it down to Chaseplane because as soon as Chaseplane has possibility to control cameras in sim (plane loads in) the CPU increase happens).

Hopefully this can be fixed quickly.

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Hey everyone, thanks for reporting this issue.

Due to the nature of our simulator integration, Windows Defender continuously scans transaction between the bridge and the simulator, leading to that CPU usage.

Since excluding the Temp folder entirely is really not a good idea, we are in the process of moving the bridge to a safer location and integrating a Windows Defender Exclusion process during the initial setup to prevent this issue. The new location for the bridge will be %appdata%\OldProp Solutions inc\ChasePlane\ChasePlane_Bridge.exe

Expect this to be in the upcoming update.


Keven Menard 
Technical Director, //42
.

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