p3d v4.4 default airplanes will not load

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This is how I solved it (from P3D forum):

At last I succeeded in opening my airplane-folder in SimObjects v4.4.
I copied from Poppet's advise and passed this entry in SimObject.cfg inspite I had it written correctly:

Title=Default Airplanes

Then I deleted:
1. SimObjects.cfg
2. VehicleFavorites.xml
3. Prepar3D.cfg file
4. Prepar3D_Default.fxml and Prepar3D_Default.wx
5. Shaders
6. Prepar3D v4 Files
7. Deleted Generated Files

I think the clue lies in the written texture in simobjecs.cfg, as mentioned elsewhere and to delete generated files.
Thank you ever so much, Elaine!!!! You are a true Wizzard!!

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Most likely step 2 did the trick..


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I have the same problem. PMDG B737-800 is not accepted and I had to use the taskmanager to delete the B737 in the Prepar3d.cfg! Otherwise I see Prepar3d.exe is in the taskmanager in the details, but not on my desktop! 

Very boring.

Using Prepar3d v.; PMDG special bought for Prepar3d. But also the standard B737 gives the same problem.

With kind regards,

Harmen Weistra,



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Sorry, did not see the solution! Wil start to use this solution!

Harmen Weistra.

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Is this correct?

1. SimObjects.cfg                   C:\Program Data\Lockheed Martin\Prepar3d v4\
2. VehicleFavorites.xml          C:\user\your name\AppData\Roaming\Lockheed Martin\Prepar3d v4\
3. Prepar3D.cfg file                C:\user\your name\AppData\Roaming\Lockheed Martin\Prepar3d v4\
4. Prepar3D_Default.fxml      C:\user\your name\AppData\local\Lockheed Martin\Prepar3d v4\

   Prepar3D_Default.wx         C:\user\your name\AppData\local\Lockheed Martin\Prepar3d v4\
5. ShadersHLSL.cfg              C:\Program Data\Lockheed Martin\Prepar3d v4\
6. Prepar3D v4 Files             C:\user\your name\Documenten\
7. Deleted Generated Files   Could not find this map!

I have deleted these files and tried again, but no succes! What did I wrong! Is there an Elaine?

With kind regards,


Harmen Weistra.

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