Crash after Slides

[TheLastPrussian]

Hi
i have the apparently common problem of crashing right after the slides, when the menu is supposed to load.
The FAQs said the following
"If you are crashing after the loading projector slides, but right before the Start New Game/Load Game/Main Menu text would have loaded, you have a missing menu file. You may have had a UI mod in the past which you have since uninstalled, but which left an "include" for in a vanilla xml, telling the vanilla xml to load a mod xml which no longer exists. As an example, this include text in the xml may look like <include src="mcm\mcm.xml"/> -- if you did not have the Mod Configuration Menu active, this would be a problem. Most often, these will be at the bottom of "\main\Hud_Main_Menu.xml" or "\options\Start_Menu.xml", but they could be any. User Interface Organizer may help automatically clean these orphaned references.

Another reason you can crash in the game's main menu is if you're using the Mod Organizer 2 (MO2) mod manager, and you installed it into the game's folder. This causes problems and will result in a crash"

I've done clean installs
I''ve followed the instructions.
I've checked that Mo2 is not in the game directory.
And I've installed UI Organizer to refresh the xmls, however the problems persist.
launched from their original launcher both games work fine individually and are able to initialise a new game.

Any help regarding my problem would be greatly appreciated