Ich benutze keinen Simstarter.
Kann aber trotzdem sein, dass du die xml falsch hast (glaube, das macht der FlyTamp-Installer selbstständig).
So schauts bei mir nun unter Flytampa aus, und so passt bei mir nun alles.
<?xml version="1.0" encoding="UTF-8"?>
<SimBase.Document Type="AddOnXml" version="4,0" id="add-on">
<AddOn.Name>FlyTampa</AddOn.Name>
<AddOn.Description>SimWIngs GranCanaria</AddOn.Description>
<AddOn.Component>
<Category>Scenery</Category>
<Path>C:\Users\xxx\Documents\Prepar3D v4 Add-ons\FlyTampa\Amsterdam_LC</Path>
<Name>Amsterdam_LC</Name>
<Layer>215</Layer>
</AddOn.Component>
<AddOn.Component>
<Category>Scenery</Category>
<Path>C:\Users\xxx\Documents\Prepar3D v4 Add-ons\FlyTampa\Dubai</Path>
<Name>Dubai</Name>
<Layer>215</Layer>
</AddOn.Component>
<AddOn.Component>
<Category>Scenery</Category>
<Path>C:\Users\xxx\Documents\Prepar3D v4 Add-ons\FlyTampa\Dubai_LC</Path>
<Name>Dubai_LC</Name>
<Layer>215</Layer>
</AddOn.Component>
<AddOn.Component>
<Category>Scenery</Category>
<Path>C:\Users\xxx\Documents\Prepar3D v4 Add-ons\FlyTampa\Corfu</Path>
<Name>Corfu</Name>
<Layer>193</Layer>
</AddOn.Component>
<AddOn.Component>
<Category>Scenery</Category>
<Path>C:\Users\xxx\Documents\Prepar3D v4 Add-ons\FlyTampa\Corfu_LC</Path>
<Name>Corfu LC</Name>
<Layer>185</Layer>
</AddOn.Component>
<AddOn.Component>
<Category>Effects</Category>
<Path>C:\Users\xxx\Documents\Prepar3D v4 Add-ons\FlyTampa\Libraries\Effects</Path>
<Name>FlyTampa Library Effects</Name>
</AddOn.Component>
<AddOn.Component>
<Category>Scripts</Category>
<Path>C:\Users\xxx\Documents\Prepar3D v4 Add-ons\FlyTampa\Vienna\scripts</Path>
<Name>Vienna Scripts</Name>
</AddOn.Component>
<AddOn.Component>
<Category>Effects</Category>
<Path>C:\Users\xxx\Documents\Prepar3D v4 Add-ons\FlyTampa\Vienna\effects</Path>
<Name>Vienna Effects</Name>
</AddOn.Component>
<AddOn.Component>
<Category>Scenery</Category>
<Path>C:\Users\xxx\Documents\Prepar3D v4 Add-ons\FlyTampa\Vienna</Path>
<Name>FlyTampa-Vienna</Name>
<Layer>215</Layer>
</AddOn.Component>
<AddOn.Component>
<Category>Texture</Category>
<Path>C:\Users\xxx\Documents\Prepar3D v4 Add-ons\FlyTampa\Vienna\texture</Path>
<Name>Vienna Texture</Name>
<Type>WORLD</Type>
</AddOn.Component>
<AddOn.Component>
<Category>Texture</Category>
<Path>C:\Users\xxx\Documents\Prepar3D v4 Add-ons\FlyTampa\Vienna\scripts\texture</Path>
<Name>Vienna Scripts texture</Name>
<Type>GLOBAL</Type>
</AddOn.Component>
<AddOn.Component>
<Category>Autogen</Category>
<Path>C:\Users\xxx\Documents\Prepar3D v4 Add-ons\FlyTampa\Libraries</Path>
<Name>Library Autogen</Name>
</AddOn.Component>
<AddOn.Component>
<Category>Scenery</Category>
<Path>C:\Users\xxx\Documents\Prepar3D v4 Add-ons\FlyTampa\Libraries</Path>
<Name>Library Autogen</Name>
<Layer>184</Layer>
</AddOn.Component>
</SimBase.Document>