Loadout:
FCOM_Convergence.esmOscuro's_Oblivion_Overhaul.esmMart's Monster Mod.esmMart's Monster Mod for OOO.esmFrancesco's Optional New Items Add-On.esmFrancesco's Leveled Creatures-Items Mod.esmFrancesco's Optional New Creatures Add-On.esmCLS-Craftybits.esmFrancesco's More Wilderness Life.espFrancesco's Optional Chance of Stronger Bosses.espFrancesco's Optional Chance of Stronger Enemies.espFrancesco's Optional Leveled Guards.espFrancesco's Optional New Adventurers.espFrancesco's Optional Leveled Quests.espKnights.espFrancesco's Optional Leveled Arena.espDLCShiveringIsles.espOblivion WarCry EV.espFCOM_Convergence.espHarvest [Flora] - Shivering Isles.espCutthroat Merchants.espHarvest [Flora].espLiving Economy - Items.espLiving Economy.espMart's Monster Mod - Diverse Creature Skins.espMart's Monster Mod - Foxes.espMart's Monster Mod - Vindasel.espFCOM_FrancescosNamedBosses.espFCOM_FrancescosItemsAddOn.espFCOM_Francescos.espFCOM_WarCry.espFCOM_RealSwords.espFCOM_HungersUnitySI.espFCOM_FriendlierFactions.espFCOM_Knights.espFCOM_DiverseGuardUnity.espFCOM_Archery.espFCOM_SaferRoads.espFCOM_OscurosOverhaul.espFCOM_NoSpiders.espOscuro's_Oblivion_Overhaul.espOOO-WaterFish.espMart's Monster Mod.espMart's Monster Mod for Fran.espMart's Monster Mod for OOO.espMart's Monster Mod - Additional Enemy NPC Vars.espMart's Monster Mod - Diverse Imperial Armor.espMart's Monster Mod - Gems & Gem Dust.espMart's Monster Mod - Hunting & Crafting.espMart's Monster Mod - Extra Wounding.espMart's Monster Mod - Knights.espMart's Monster Mod for OOO - Knights .espMart's Monster Mod - Shivering Isles.espMart's Monster Mod - City Defences.espMart's Monster Mod - Dungeons of MMM.espMart's Monster Mod - Farm Animals.espMart's Monster Mod - Diverse WaterLife.espMart's Monster Mod - Safer Quest Locations.espCLS-Craftybits.espMidasSpells.esp
I've heard OOO can be a source of this problem. Any other ideas?