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Flight ctd after 30 min.FS2020

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My last five flights has ctd after 30 min. I experience the same with FBWA320 and PMDG 737 800. I use Simbrief flightplan and FSHud ATC, but one of the flights was without ATC. I have the latest NVidia driver, and a week ago I updated my computer to 64GB RAM. The ctd starts with loss of all sound, and five sec later the sim crashes. Can anyone explain what causes this, and give me advice how to solve it?

Tor Arild Danielsen

Sounds suspiciously like a component overheating.

Are there any entries in the event viewer?

Bob Scott | President and CEO, AVSIM Inc
ATP Gulfstream II-III-IV-V

Sys1 (MSFS20+24/XPlane12+11): AMD 9800X3D, water 2x240mm, MSI MPG X670E Carbon, 64GB GSkill 6000/30, nVidia RTX4090FE
Alienware AW3821DW 38" 21:9 GSync, 2x4TB Crucial T705 PCIe5 + 2x2TB Samsung 990 SSD, EVGA 1000P2 PSU, 12.9" iPad Pro
Thrustmaster TCA Boeing Yoke, TCA Airbus Sidestick, Twin TCA Airbus Throttle quads, PFC Cirrus Pedals, Coolermaster HAF932 case

Sys2 (P3Dv5/v4): i9-13900KS, water 2x360mm, ASUS Z790 Hero, 32GB GSkill 7800MHz CAS36, ASUS RTX4090
Samsung 55" JS8500 4K TV@60Hz,
3x 2TB WD SN850X 1x 4TB Crucial P3 M.2 NVME SSD, EVGA 1600T2 PSU
Fiber link to Yamaha RX-V467 Home Theater Receiver, Polk/Klipsch 6" bookshelf speakers, Polk 12" subwoofer, 12.9" iPad Pro
PFC yoke/throttle quad/pedals with custom Hall sensor retrofit, Thermaltake View 71 case, Stream Deck XL button box

Sys3 (DCS/P3Dv4/ATS/ETS): AMD 7800X3D, MSI MPG X870E Carbon, Noctua NH-D15S, 64GB GSkill 6000/30, EVGA RTX3090
Alienware AW3420DW 34" 21:9 GSync, Corsair HX1000i PSU, 4TB Crucial T705 PCIe5 + 2TB Samsung 970Evo Plus,
TM TCA Officer Pack
, Saitek combat pedals, TM Warthog, TM RS300 FF wheel/pedals, Coolermaster HAF XB case

12 hours ago, adaniel said:

My last five flights has ctd after 30 min. I experience the same with FBWA320 and PMDG 737 800. I use Simbrief flightplan and FSHud ATC, but one of the flights was without ATC. I have the latest NVidia driver, and a week ago I updated my computer to 64GB RAM. The ctd starts with loss of all sound, and five sec later the sim crashes. Can anyone explain what causes this, and give me advice how to solve it?

Tor Arild Danielsen

What happens if you use the previous RAM setup? When you upgraded, did you add DIMMS, or replace them?

As Bob suggested, it could be overheating. Try setting your fans at 100% to eliminate this.

Edited by flyingscampi

FS2024 • PMDG 738, 77F • FSL A321 • A2A Comanche, Aerostar • BS Baron, Bonanza, Caravan Pro • JF Tomahawk • TAOG H500C
BeyondATC • GSX Pro • ChasePlane & Flow Pro • TDS GTNXi • FSUIPC • AutoFPS • RealTurb

9800X3D B650E • ROG OC RTX 5090 • 64GB DDR5-6000 • VKB Gladiator, STECS, T-Rudder • Tobii 5 • ISP 1 Gbps

  • Author

Thank you for answers. I added two more 16GB DIMMS of the same type as the old ones. I will test more today.

2 minutes ago, adaniel said:

Thank you for answers. I added two more 16GB DIMMS of the same type as the old ones. I will test more today.

This can often cause problems. It's best to buy a kit as the DIMMs have been tested together at the specified speed.

FS2024 • PMDG 738, 77F • FSL A321 • A2A Comanche, Aerostar • BS Baron, Bonanza, Caravan Pro • JF Tomahawk • TAOG H500C
BeyondATC • GSX Pro • ChasePlane & Flow Pro • TDS GTNXi • FSUIPC • AutoFPS • RealTurb

9800X3D B650E • ROG OC RTX 5090 • 64GB DDR5-6000 • VKB Gladiator, STECS, T-Rudder • Tobii 5 • ISP 1 Gbps

  • Author

My old ram had C140 and the new  had C160. I dont know what it means, but I will change to C140 for all. I have removed the new RAM, but I still have Ctd after 30 minutes. I also use the Auto Fps app, and today I checked the log file for the app. In every flight that crash I find a line ‘’ Massive Errors reached, closing Receive Thread’’. I am not sure what this means, but I will remove the app and check again.

15 hours ago, adaniel said:

I also use the Auto Fps app, and today I checked the log file for the app. In every flight that crash I find a line ‘’ Massive Errors reached, closing Receive Thread’’.

If you want to know more about what might be triggering that error, the developer of AutoFPS is quite responsive. You can ask a question on Avsim by DM, or start a thread with something like "AutoFPS Question" as the title.

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