Okay, so here's the bit of the FireTuner log that concerns IGE - the weird thing is, from what I can see, nothing appears to be wrong in it:
I've got the whole LUA log in the attatched file, if you need it
Spoiler :
IGE_Window: IGE_Initialize
IGE_Window: IGE:Gods and kings=true
IGE_Window: IGE_TabsBar.OnInitialize
IGE_Window: IGE_TabsBar.OnInitialize - Done
IGE_Window: IGE_TerrainPanel.OnInitialize
IGE_Window: IGE_RegisterTab, ID="TERRAIN_EDITION", name="Terrain (F1)", icon=0, group="edit"
IGE_Window: IGE_SelectedPanel, ID="TERRAIN_EDITION"
IGE_Window: IGE_RegisterTab, ID="TERRAIN_PAINTING", name="Terrain (F3)", icon=0, group="paint"
IGE_Window: IGE_TerrainPanel.OnInitialize - Done
IGE_Window: IGE_RegisterTab, ID="CITIES_AND_UNITS", name="Cities And units (F2)", icon=1, group="edit"
IGE_Window: IGE_UnitsPanel.OnInitialize
IGE_Window: IGE_RegisterTab, ID="UNITS", name="Units (F4)", icon=2, group="paint"
IGE_Window: IGE_UnitsPanel.OnInitialize - Done
IGE_Window: IGE_RegisterTab, ID="PLAYERS", name="Players (F6)", icon=3, group="change"
IGE_Window: IGE_TechsPanel.InitializeHelp
IGE_Window: IGE_RegisterTab, ID="TECHS", name="Technologies (F7)", icon=4, group="change"
IGE_Window: IGE_PoliciesPanel.OnInitialize
IGE_Window: IGE_RegisterTab, ID="POLICIES", name="Social Policies (F8)", icon=5, group="change"
IGE_Window: IGE_PoliciesPanel.OnInitialize - Done
IGE_Window: Initialization completed
IGE_Window: IGE_Showing
IGE_Window: Saved game as IGE3
IGE_Window: IGE_Update
IGE_Window: IGE_SetMouseMode, mode=1
IGE_Window: NotificationAdded 0 4 -1 -1 "London is ready for a new construction project." "London is ready for a new construction project."
IGE_Window: NotificationAdded 1 1 0 -1 "Choose Research" "You may select a new research project."
IGE_Window: IGE_Update
IGE_Window: IGE_SetMouseMode, mode=1
IGE_Window: IGE_SelectedPanel, ID="CITIES_AND_UNITS"
IGE_Window: IGE_SetMouseMode, mode=2
IGE_Window: IGE_Update
IGE_Window: IGE_SetMouseMode, mode=2
IGE_Window: IGE_SetMouseMode, mode=2
IGE_Window: IGE_WonderPopup, buildingID=120
IGE_TabsBar: IGE_SelectedPanel, ID="PLAYER_SELECTION"
IGE_TabsBar: IGE_Update
IGE_Window: IGE_Update
IGE_Window: IGE_Closing, takingSeat=false
IGE_Window: IGE:Gods and kings=true
IGE_Window: IGE_TabsBar.OnInitialize
IGE_Window: IGE_TabsBar.OnInitialize - Done
IGE_Window: IGE_TerrainPanel.OnInitialize
IGE_Window: IGE_RegisterTab, ID="TERRAIN_EDITION", name="Terrain (F1)", icon=0, group="edit"
IGE_Window: IGE_SelectedPanel, ID="TERRAIN_EDITION"
IGE_Window: IGE_RegisterTab, ID="TERRAIN_PAINTING", name="Terrain (F3)", icon=0, group="paint"
IGE_Window: IGE_TerrainPanel.OnInitialize - Done
IGE_Window: IGE_RegisterTab, ID="CITIES_AND_UNITS", name="Cities And units (F2)", icon=1, group="edit"
IGE_Window: IGE_UnitsPanel.OnInitialize
IGE_Window: IGE_RegisterTab, ID="UNITS", name="Units (F4)", icon=2, group="paint"
IGE_Window: IGE_UnitsPanel.OnInitialize - Done
IGE_Window: IGE_RegisterTab, ID="PLAYERS", name="Players (F6)", icon=3, group="change"
IGE_Window: IGE_TechsPanel.InitializeHelp
IGE_Window: IGE_RegisterTab, ID="TECHS", name="Technologies (F7)", icon=4, group="change"
IGE_Window: IGE_PoliciesPanel.OnInitialize
IGE_Window: IGE_RegisterTab, ID="POLICIES", name="Social Policies (F8)", icon=5, group="change"
IGE_Window: IGE_PoliciesPanel.OnInitialize - Done
IGE_Window: Initialization completed
IGE_Window: IGE_Showing
IGE_Window: Saved game as IGE3
IGE_Window: IGE_Update
IGE_Window: IGE_SetMouseMode, mode=1
IGE_Window: NotificationAdded 0 4 -1 -1 "London is ready for a new construction project." "London is ready for a new construction project."
IGE_Window: NotificationAdded 1 1 0 -1 "Choose Research" "You may select a new research project."
IGE_Window: IGE_Update
IGE_Window: IGE_SetMouseMode, mode=1
IGE_Window: IGE_SelectedPanel, ID="CITIES_AND_UNITS"
IGE_Window: IGE_SetMouseMode, mode=2
IGE_Window: IGE_Update
IGE_Window: IGE_SetMouseMode, mode=2
IGE_Window: IGE_SetMouseMode, mode=2
IGE_Window: IGE_WonderPopup, buildingID=120
IGE_TabsBar: IGE_SelectedPanel, ID="PLAYER_SELECTION"
IGE_TabsBar: IGE_Update
IGE_Window: IGE_Update
IGE_Window: IGE_Closing, takingSeat=false
I've got the whole LUA log in the attatched file, if you need it