Oliver each time PA4o is open this shows up.

 

exe.xml: There is an error in XML document (22,1)

Contents will not be visible.

P3D exe.xml file:

<?xml version="1.0" encoding="Windows-1252"?>
<SimBase.Document Type="Launch" version="1,0">
  <Descr>Launch</Descr>
  <Filename>dll.xml</Filename>
  <Disabled>False</Disabled>
  <Launch.ManualLoad>False</Launch.ManualLoad>
  <Launch.Addon>
    <Name>EZdok camera addon v3</Name>
    <Disabled>false</Disabled>
    <Path>C:\Program Files\EZCA3\EZCA.exe</Path>
  </Launch.Addon>
  <Launch.Addon>
    <Name>as_btstrp_config_manager</Name>
    <Disabled>False</Disabled>
    <Path>as_srv\as_btstrp_config_manager.exe</Path>
  </Launch.Addon>
  <Launch.Addon />
</SimBase.Document>

 

53 minutes ago, reecemj said:

<?xml version="1.0" encoding="Windows-1252"?>
<SimBase.Document Type="Launch" version="1,0">
  <Descr>Launch</Descr>
  <Filename>dll.xml</Filename>
  <Disabled>False</Disabled>
  <Launch.ManualLoad>False</Launch.ManualLoad>
  <Launch.Addon>
    <Name>EZdok camera addon v3</Name>
    <Disabled>false</Disabled>
    <Path>C:\Program Files\EZCA3\EZCA.exe</Path>
  </Launch.Addon>
  <Launch.Addon>
    <Name>as_btstrp_config_manager</Name>
    <Disabled>False</Disabled>
    <Path>as_srv\as_btstrp_config_manager.exe</Path>
  </Launch.Addon>
  <Launch.Addon />
</SimBase.Document>

Hard to tell, but it could be that last one, the empty Launch.Addon tag that I highlighted above. It doesn't serve any purpose, so you can remove it.

Best regards