[Dorfmann]

Please check if you have installed NET Framework und you Computer. The IL-2 version switcher works with NET framework.

If you do not want to install NET Framework, you also can use the version switcher .bat files in the main modded gamefolder.

Their name is:

_Switch-408_Mods_On.bat
_Switch-408_Mods_On_With_6DOF.bat
_Switch-408_No_Mods.bat
_Switch-409_Mods_On.bat
_Switch-409_Mods_On_With_6DOF.bat
_Switch-409_No_Mods.bat