Products Support > GSX Support FSX/P3D

Couatl disappears when restarting service **SOLVED**

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Chrjs:
Hi,
i've been using gsx (ver2, P3D5.2) for years now, but maybe for the last half year i have serious porblems with it. Whenever the couatl service is resetting within the sim (for example sometimes the automatic service with fslabs does not work after arrival), it just disappears from the menu (also no trace of it in the task manager). Of course any FSDT building and gsx services disapppear as well. The addon manager entry, however, stays in the menu.
 I have done quite a lot of troubleshooting including the following:

- multiple reinstalls /live updates of GSX
- complete resinstall of P3Dv5 and trying to install GSX as the only addon, so there cannot be a problem with other addons
- upgrading my win10 to win11
- turning off windows defender during install and while running P3D, making exclusions in defender for the addon manager folder and all virtuali files in C:...
- installing the addon manager in differnt locations and drives

the only odd thing that seem to happen during the troubleshooting process is that when i uninstall GSX through the control panel, everything runs through until the very end, then i get the following error message:
"Prepar3D.exe - System error; "The code execution cannot proceed beacuse api.dll was not found. Reinstalling the program may fix this problem"" The same message appears with uninstalling the addon manager. That message did never come up with any other p3d addon, and i have tons of them. After clicking ok, i get the message that gsx was uninstalled successfully.

I hope you can help me getting GSX running again as it should. Please tell me how i can help you to solve the problem here on my end.
thank you very much in advance
chris


edit: i attach two log files, one just before i press the rebuild couatl in P5d and one just after restarting and couatl has dissappeared

virtuali:

--- Quote from: Chrjs on October 11, 2021, 01:05:25 pm ---when i uninstall GSX through the control panel, everything runs through until the very end, then i get the following error message:

"Prepar3D.exe - System error; "The code execution cannot proceed beacuse api.dll was not found. Reinstalling the program may fix this problem"" The same message appears with uninstalling the addon manager. That message did never come up with any other p3d addon, and i have tons of them. After clicking ok, i get the message that gsx was uninstalled successfully.

--- End quote ---

That seems to be a problem. Fact you don't see this error from other add-ons, doesn't mean much, because it depends if that add-on uses the standard P3D Install/Uninstall services, which calls P3D itself to disable/enable an add-on. At that stage, the uninstaller is callign Prepar3d.exe, asking it to remove the add-on you are uninstaling, which is the proper practice for a proper P3D-native add-on.

API.DLL is related to the sim itself so, it seems the GSX uninstaller just reported a problem reported by the sim *itself* when it tried to start it, like it was missing something it surely comes with it. In this case, it's API.DLL, which is the Simconnect API so, a normal installation will surely have it and it should be the correct version.

A problem with the Simconnect API might be caused by having updated P3D from a prevous version using just the Client. Try to install the P3D FULL installer, which might fix the problem.

Chrjs:
hi, thanks for your quick response.
Unfortunately, this was my thought too, that's why i uninstalled P3D completely and started off with just a fresh, complete install of P3D5.2 and only GSX and nothing else, the problem still occurs.
Do you know where this "simmconenct API" is located so i can check if it is there?

kind regards
chris

Alex871:
Im having this same problem. Since the recent update to new textures of gsx the program will carsh when restarted or at any add on airport

virtuali:

--- Quote from: Chrjs on October 11, 2021, 05:02:55 pm ---Do you know where this "simmconenct API" is located so i can check if it is there?
--- End quote ---

It's installed automatically with the sim. Wha the message says, exactly ?

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