FSDreamTeam forum
Products Support => GSX Support MSFS => Topic started by: robtheump on December 27, 2025, 10:19:55 pm
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Hello, I have had absolutely no issues with MSFS2020 until updating to GSX 3.7.4 the other day. After updating GSX Pro to 3.7.4 I get a CTD within 20 seconds of loading into the simulator at a gate. This has happened with numerous repaints using both the PMDG 737-800 and 737-900.
I have tried closing out Couatl before loading a flight and have not had a single CTD when Couatl is not running. If I launch Couatl after loading in the sim it's 50/50 if the sim will CTD while it's loading the GSX database.
I know I've read on here that GSX doesn't cause CTD's but I respectfully have a hard time believing that when I have had nothing but CTD's after the last update and experience no issues when Couatl is not running.
Everything in my sim and my computer is up-to-date and there were no issues until the GSX Pro 3.7.4 update. Any guidance would be appreciated. I think I uploaded the correct log files, if not please let me know what other info you need.
Thank you,
Rob
couatl64boot log:
12/27/2025 9:50:21 AM: Couatl64_boot Log started
12/27/2025 9:50:21 AM: Working folder set to C:\Program Files (x86)\Addon Manager\couatl64 according to FSDT registry root key
12/27/2025 9:50:21 AM: Thread "couatl64_MSFS.exe" added to monitoring
12/27/2025 9:50:21 AM: Starting couatl64_MSFS.exe
12/27/2025 9:50:22 AM: Process couatl64_MSFS started successfully with ID 16020
12/27/2025 9:50:22 AM: Connected to Couatl64 shared memory
12/27/2025 10:01:20 AM: Couatl has been closed by user, we are not restarting it
12/27/2025 10:01:22 AM: No processes found for couatl64_MSFS.exe during update
12/27/2025 10:01:22 AM: Process is null or has exited. Attempting to restart.
12/27/2025 10:01:22 AM: Not restarting couatl64_MSFS.exe because shouldRestartCouatl returned false.
12/27/2025 10:02:22 AM: No processes found for couatl64_MSFS.exe during update
12/27/2025 10:02:22 AM: Process is null or has exited. Attempting to restart.
12/27/2025 10:02:22 AM: Not restarting couatl64_MSFS.exe because shouldRestartCouatl returned false.
12/27/2025 10:03:22 AM: No processes found for couatl64_MSFS.exe during update
12/27/2025 10:03:22 AM: Process is null or has exited. Attempting to restart.
12/27/2025 10:03:22 AM: Not restarting couatl64_MSFS.exe because shouldRestartCouatl returned false.
12/27/2025 10:04:22 AM: No processes found for couatl64_MSFS.exe during update
12/27/2025 10:04:22 AM: Process is null or has exited. Attempting to restart.
12/27/2025 10:04:22 AM: Not restarting couatl64_MSFS.exe because shouldRestartCouatl returned false.
12/27/2025 10:05:22 AM: No processes found for couatl64_MSFS.exe during update
12/27/2025 10:05:22 AM: Process is null or has exited. Attempting to restart.
12/27/2025 10:05:22 AM: Not restarting couatl64_MSFS.exe because shouldRestartCouatl returned false.
12/27/2025 10:06:22 AM: No processes found for couatl64_MSFS.exe during update
12/27/2025 10:06:22 AM: Process is null or has exited. Attempting to restart.
12/27/2025 10:06:22 AM: Not restarting couatl64_MSFS.exe because shouldRestartCouatl returned false.
12/27/2025 10:07:22 AM: No processes found for couatl64_MSFS.exe during update
12/27/2025 10:07:22 AM: Process is null or has exited. Attempting to restart.
12/27/2025 10:07:22 AM: Not restarting couatl64_MSFS.exe because shouldRestartCouatl returned false.
12/27/2025 10:08:22 AM: No processes found for couatl64_MSFS.exe during update
12/27/2025 10:08:22 AM: Process is null or has exited. Attempting to restart.
12/27/2025 10:08:22 AM: Not restarting couatl64_MSFS.exe because shouldRestartCouatl returned false.
12/27/2025 10:09:22 AM: No processes found for couatl64_MSFS.exe during update
12/27/2025 10:09:22 AM: Process is null or has exited. Attempting to restart.
12/27/2025 10:09:22 AM: Not restarting couatl64_MSFS.exe because shouldRestartCouatl returned false.
12/27/2025 10:10:22 AM: No processes found for couatl64_MSFS.exe during update
12/27/2025 10:10:22 AM: Process is null or has exited. Attempting to restart.
12/27/2025 10:10:22 AM: Not restarting couatl64_MSFS.exe because shouldRestartCouatl returned false.
12/27/2025 10:11:22 AM: No processes found for couatl64_MSFS.exe during update
12/27/2025 10:11:22 AM: Process is null or has exited. Attempting to restart.
12/27/2025 10:11:22 AM: Not restarting couatl64_MSFS.exe because shouldRestartCouatl returned false.
12/27/2025 10:12:22 AM: No processes found for couatl64_MSFS.exe during update
12/27/2025 10:12:22 AM: Process is null or has exited. Attempting to restart.
12/27/2025 10:12:22 AM: Not restarting couatl64_MSFS.exe because shouldRestartCouatl returned false.
12/27/2025 10:13:22 AM: No processes found for couatl64_MSFS.exe during update
12/27/2025 10:13:22 AM: Process is null or has exited. Attempting to restart.
12/27/2025 10:13:22 AM: Not restarting couatl64_MSFS.exe because shouldRestartCouatl returned false.
12/27/2025 10:14:11 AM: MSFS has exited
12/27/2025 10:14:11 AM: Task was cancelled.
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Same for me. Since 3.7.4 there is a 50:50 chance for a CTD. Never had these before and what I read all over the internet there are quiet a few reports on CTDs with 3.7.4
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3.7.4 definitely does. 3.7.3 definitely did not.
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What I've found after updating to 3.7.4 is that if I wait to launch AIG Traffic Controller until AFTER I load into the sim and COUATL/GSX is loaded, then I do not get a CTD.
There are numerous threads on the AIG forums about CTD using MSFS and AIG TC after the GSX 3.7.4 update was released.
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What I've found after updating to 3.7.4 is that if I wait to launch AIG Traffic Controller until AFTER I load into the sim and COUATL/GSX is loaded, then I do not get a CTD.
There are numerous threads on the AIG forums about CTD using MSFS and AIG TC after the GSX 3.7.4 update was released.
That is the same way that I use the sim, MSFS and GSX which is started by exe.xml are already running. I start AIGTC after I have loaded into my departure airport. As soon as the injector begins to load AI traffic the sim CTD's instantly with 3.7.4 . It never did this with 3.7.3 and that is the only thing that has changed on my computer.
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Is anybody having crashes without using any traffic injector ?
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Just wanted to report no further CTD's after updating to 3.7.5.
Thank you for the fix!
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okay 3.7.4 where with PMDG and BATC and without stable but nice to hear that there is 3.7.5 out.
General question:
What is the recommend way to update (because I don't see for what is what) to use the FSDTInstaller or FSDT Liveupdate (are there generally the same)?
best regards
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What is the recommend way to update (because I don't see for what is what) to use the FSDTInstaller or FSDT Liveupdate (are there generally the same)?
They are exactly the same identical .exe, just that:
- when you call it from the "Live Update" icon, it will run with a minimized interface and will do only ONE thing: update all FSDT installed products at once.
- when you call it from the "Installer" icon, it can do many other things (install/uninstall/activate/deactivate, etc.) and you decide what you want to update.