Post the contents of your file: app_type.xml (at WoT folder).
Mine looks like this:
<?xml version="1.0" encoding="UTF-8"?>
<protocol name="app_type" version="3.0">
<app_type>hd</app_type>
<switch_to_type>hd</switch_to_type>
</protocol>
v1.0.2.4 #04 (11-08-2018):
- added sounds: The Second World War. Day after day (engines)
- added sounds: The Second World War. Day after day (guns)
- added Battle Observer 1.16.2 Beta
- updated contour icons: Ghostman101278
- updated Class colored icons (by Ghostman101278)
- clean up (vxapi)