The file in ModeUserData is created by IGE anytime it is started, it contains your preferences, nothing wrong with that : it's labelled "2" but it's only the preferences' version. No need to delete it.
Ok, here are a few questions:
* Could you please copy/paste here the content of the .modinfo file in "Mods/Ingame Editor (v13)" ? Open it with the notepad, it's a regular text file.
* Where did you got IGE from ? This thread, the in-game browser or the CivFanatics DB ?
* Was there any additional message aside of "unable to load texture", like the file causing error ?
* is attached (I hope), edit: I'll just copy/paste
* I got IGE from the CivV download section here at civfanatics
* That was the only message I got
<?xml version="1.0" encoding="utf-8"?>
<Mod id="170c8ed1-b516-4fe2-b571-befeac39d220" version="13">
<Properties>
<Name>Ingame Editor</Name>
<Teaser>[COLOR_GREEN]Change terrain, units, cities, ...[ENDCOLOR]</Teaser>
<Description>[ICON_CAPITAL] IGE [ICON_CAPITAL][NEWLINE]
An ingame editor to alter the map and many other things on the fly.[NEWLINE]
[NEWLINE]
[COLOR_GREEN]Features[ENDCOLOR][NEWLINE]
[ICON_BULLET] Edit or paint terrain, features, natural wonders, resources, improvements, rivers, fog, etc.[NEWLINE]
[ICON_BULLET] Spawn new units, remove other ones, for any civilization, including barbarians.[NEWLINE]
[ICON_BULLET] Change cities' population, buildings, culture, status, etc.[NEWLINE]
[ICON_BULLET] Modify players' gold, culture, relations, etc. End wars or seed them, grant victory or inflict shame, etc.[NEWLINE]
[NEWLINE]
[COLOR_GREEN]Notes[ENDCOLOR][NEWLINE]
[COLOR_RED][ICON_BULLET] If you encounter bugs, delete older versions and empty your cache folder (My Documents/My Games/Civ5/cache).[NEWLINE][ENDCOLOR]
[NEWLINE]
[COLOR_GREEN]Compatibility[ENDCOLOR][NEWLINE]
[ICON_BULLET]Should be fully compatible with any mod and language.[NEWLINE]</Description>
<Authors>DonQuiche</Authors>
<SpecialThanks>CivFanatics and the folks lurking there.</SpecialThanks>
<HideSetupGame>0</HideSetupGame>
<Homepage>http://forums.civfanatics.com/showthread.php?p=10812084</Homepage>
<AffectsSavedGames>0</AffectsSavedGames>
<SupportsSinglePlayer>1</SupportsSinglePlayer>
<SupportsMultiplayer>0</SupportsMultiplayer>
<SupportsHotSeat>0</SupportsHotSeat>
<SupportsMac>1</SupportsMac>
<ReloadLandmarkSystem>0</ReloadLandmarkSystem>
<ReloadStrategicViewSystem>0</ReloadStrategicViewSystem>
<ReloadUnitSystem>0</ReloadUnitSystem>
</Properties>
<Dependencies />
<References />
<Blocks />
<Files>
<File md5="8539E1686278757E2C066188D2B1CCA7" import="1">Art/IgeBarbarianPortrait32.dds</File>
<File md5="E046C18ED442E506BD81F44C00F01B26" import="1">Art/IgeBarbarianPortrait64.dds</File>
<File md5="02E15C02FA263DBE56775FA98BE16B29" import="1">Art/IgeCheckmark.dds</File>
<File md5="02FB7A096F934304DDBDE32287486999" import="1">Art/IgeElevation.dds</File>
<File md5="63D04CB29B18BB9008C0DB9A0794F565" import="1">Art/IgeGrid9FrameTurns.dds</File>
<File md5="0A27A83DDE2D938E9BB83B1E69E47179" import="1">Art/IgeGrid9FrameTurnsHL.dds</File>
<File md5="D13E650B745A9067BC2AA08893F44625" import="1">Art/IgeMenuIcons.dds</File>
<File md5="5D7B24172EF577B9B8A20579596D2B66" import="1">Art/IgeMenuIconsSmall.dds</File>
<File md5="D210CD439912EDEC3F04AE81C0AA63BF" import="1">Art/IgeNone48.dds</File>
<File md5="31305C3F1DB6181ABD687AA10F7CFBBA" import="1">Art/IgeNone64.dds</File>
<File md5="3B80DACF4E6022035C79C8474C98E143" import="1">Art/IgeRiverVertex10.dds</File>
<File md5="956311F6DBC8D297A0C48927E5783584" import="1">Art/IgeTile256.dds</File>
<File md5="7E36579B9A5E2F2168790CA66C709EE0" import="1">Art/IgeTile256CCW.dds</File>
<File md5="3E6A94D9215AF4F50855A438016DE55A" import="1">Art/IgeTile256CW.dds</File>
<File md5="EABC1B2B0345240CC9014411CDF9440D" import="1">Art/IgeTile256Glow.dds</File>
<File md5="B48C1021ACA81D0D5B2A4519DBDA6E79" import="1">Art/IgeTopIcons.dds</File>
<File md5="BE6086A96238ACD52F070CED12C2FA49" import="1">BulkUI/IGE_CityBanner.lua</File>
<File md5="377D2DB9DB3927FB4F76695B12F2E19C" import="1">BulkUI/IGE_CityBanner.xml</File>
<File md5="D6A26BC59917E6D1756953DB686F89AB" import="1">BulkUI/IGE_MiniMap.lua</File>
<File md5="D04090F1AFB4856F63DC631CE3BEBD2B" import="1">BulkUI/IGE_MiniMap.xml</File>
<File md5="C4CEC3B4B09B9BC90A6D0ABD571A2988" import="1">BulkUI/IGE_NotificationPanel.lua</File>
<File md5="2B2473D4920FA2F13BC445BF05717CD3" import="1">BulkUI/IGE_NotificationPanel.xml</File>
<File md5="D3D6C1DB67BF6A73231F6A4BBFBC4F64" import="1">BulkUI/IGE_Overlay.lua</File>
<File md5="946650421299155977F901CDC13CC91C" import="1">BulkUI/IGE_Overlay.xml</File>
<File md5="51E2418D1855951166286F27C9158979" import="1">BulkUI/IGE_ProductionPopup.lua</File>
<File md5="1FCADE99930687FBBD40CD85C7176EC5" import="1">BulkUI/IGE_ProductionPopup.xml</File>
<File md5="BE033A6AC4DFE9007DA5A84FBDA963B6" import="1">IGE_Controller_Core.lua</File>
<File md5="CBAE9D14F6DBF5CB1227B8C6DCE29937" import="1">IGE_Controller_Debug.lua</File>
<File md5="DF30113DA958B881B1263D0DDBB26C11" import="1">IGE_API_All.lua</File>
<File md5="0A65561C9812462E01E69A15655C5C4B" import="1">IGE_API_Data.lua</File>
<File md5="CF0B378A9C8C54DFE991D4164CB5DB7B" import="1">IGE_API_Misc.lua</File>
<File md5="E5CE9E088796BFF13D4B528396EF3E29" import="1">IGE_API_Rivers.lua</File>
<File md5="E860AFBBDD1A0C93E063C088EEC25844" import="1">IGE_API_Terrain.lua</File>
<File md5="24D8452DADC8D7A2C8E88D495AFA1F32" import="1">IGE_API_UI.lua</File>
<File md5="15897CDDEA550F4A484BA5EF833A043C" import="1">IGE_Controller_All.xml</File>
<File md5="ADE2CA7DB4E56E939D00D158B6746E2E" import="1">IGE_Controller_Fog.lua</File>
<File md5="11AADFBACEB6F7E4E29EC2A54528C032" import="1">IGE_Controller_All.lua</File>
<File md5="5D14932668370ACC8F4F234F9E8A5A20" import="1">IGE_Loader.lua</File>
<File md5="A8646D3BC5C5C935BE61CB547332B60E" import="1">IGE_Loader.xml</File>
<File md5="7BAEF8568B1B2C7BE0F2D4957C9EF6C0" import="1">IGE_Window.lua</File>
<File md5="F0D4C12227D1C82070592E353D140CBA" import="1">IGE_Window.xml</File>
<File md5="8EDF250189C66197A9050F3B44B8EB4A" import="1">Panels/IGE_CitiesPanel.xml</File>
<File md5="A0C37A3D5E84A787ECF26622963665EB" import="1">Panels/IGE_CitiesPanel.lua</File>
<File md5="56D77E665ECF6B516BA0108E77E929D4" import="1">Panels/IGE_ActivePlayerSelection.lua</File>
<File md5="97633526B3B867B56877BD5EF9CF6410" import="1">Panels/IGE_ActivePlayerSelection.xml</File>
<File md5="DEC41D54DCCF967E46FE770C77D113F3" import="1">Panels/IGE_PlayersPanel.lua</File>
<File md5="01E22031CD48A11DFD8CDF4985375068" import="1">Panels/IGE_PlayersPanel.xml</File>
<File md5="A9FF96EC64C84066E3C2E553D6EF2716" import="1">Panels/IGE_PoliciesPanel.lua</File>
<File md5="0DA472A06F631E7DDDDDA205FB194548" import="1">Panels/IGE_PoliciesPanel.xml</File>
<File md5="B5653A4853012C1209D9EB846791128D" import="1">Panels/IGE_TechsPanel.lua</File>
<File md5="3F200839DD7B2E09C76B22B2133B45BA" import="1">Panels/IGE_TechsPanel.xml</File>
<File md5="69C58820B46424C32B12F342C7FD4477" import="1">Panels/IGE_TerrainPanel.lua</File>
<File md5="FCC36B96E2030AB6F5B7A652817316A5" import="1">Panels/IGE_TerrainPanel.xml</File>
<File md5="8A022068BAEB1DFFE660B3D4E010D99A" import="1">Panels/IGE_UnitsPanel.lua</File>
<File md5="B715AD0929BC6F17952DDEFC8CEF3162" import="1">Panels/IGE_UnitsPanel.xml</File>
<File md5="E688F65EAEC2C5B9CE7CBBAD5BF8E277" import="1">Widgets/IGE_ConfirmPopup.lua</File>
<File md5="9788DAF6213E152E06648D01CAD83DE3" import="1">Widgets/IGE_ConfirmPopup.xml</File>
<File md5="EED74072997FD0CA7DB4BC08FAADFD9C" import="1">Widgets/IGE_RiversElement.lua</File>
<File md5="3453D1EDA563234AF3489A08EFEDED25" import="1">Widgets/IGE_RiversElement.xml</File>
<File md5="97BF4352A6448D60FA40B8BA79EFCD42" import="1">Widgets/IGE_TabsBar.lua</File>
<File md5="66EF6DEED8E3CDEBD83302FE2298479A" import="1">Widgets/IGE_TabsBar.xml</File>
</Files>
<EntryPoints>
<EntryPoint type="InGameUIAddin" file="IGE_Loader.lua">
<Name>InGameEditor</Name>
<Description>An in-game map editor</Description>
</EntryPoint>
</EntryPoints>
</Mod>