I'm gonna start deactivating them one by one to see where the problem is, but I'd thought I'd already post to see if I have run into a common problem.
Spoiler
Active Mod Files:00 Oblivion.esm01 ScreenEffects.esm02 All Natural Base.esm [Version 1.0]03 Francesco's Leveled Creatures-Items Mod.esm [Version 4.5bSI]04 Francesco's Optional New Items Add-On.esm [Version 4.5bSI]05 Cobl Main.esm [Version 1.72]06 Oscuro's_Oblivion_Overhaul.esm [Version 1.34]07 Mart's Monster Mod.esm [Version 3.7b3p3]08 TamrielTravellers.esm [Version 1.37a]09 FCOM_Convergence.esm [Version 0.9.9MB3]0A Kvatch Rebuilt.esm0B Better Cities Resources.esm [Version 4.8.0]0C bookplacing.esm0D bookplacing.esp0E Unofficial Oblivion Patch.esp [Version 3.3.3]0F DLCShiveringIsles.esp10 Unofficial Shivering Isles Patch.esp [Version 1.4.0]11 Better Cities .esp12 Francesco's Optional Chance of Stronger Bosses.esp13 Francesco's Optional Chance of Stronger Enemies.esp14 Francesco's Optional Chance of More Enemies.esp15 Francesco's Optional Leveled Guards.esp++ Francesco's Dark Seducer Weapons Patch.esp++ FCOM_Francescos.esp [Version 0.9.9]++ FCOM_FrancescosItemsAddOn.esp [Version 0.9.9]16 FCOM_FrancescosNamedBosses.esp [Version 0.9.9]17 All Natural - Real Lights.esp [Version 1.0]18 All Natural.esp [Version 1.0]19 All Natural - SI.esp [Version 1.0]1A Kvatch Rebuilt Weather Patch.esp1B Enhanced Water v2.0 ND.esp1C AliveWaters.esp1D AliveWaters - Koi Addon.esp1E AliveWaters - Slaughterfish Addon.esp1F Book Jackets Oblivion - BP.esp20 ClocksOfCyrodiil_BC_OBC_OC_OCLR_Vanilla.esp21 ImprovedSigns.esp22 Enhanced Economy.esp [Version 5.0.2]23 Crowded Roads.esp [Version 2.0]24 Thieves Arsenal.esp25 KDCircletsOOOOptimized - NPC Equip.esp [Version 1.2]++ FCOM_KDCircletsOOOOptimizedNPCEquip.esp [Version 0.9.9]26 Cobl Glue.esp [Version 1.72]27 Cobl Si.esp [Version 1.63]28 OOO 1.32-Cobl.esp [Version 1.72]++ FCOM_Cobl.esp [Version 0.9.9]29 Bob's Armory Oblivion.esp2A FCOM_BobsArmory.esp [Version 0.9.9]2B Loth's Blunt Weapons for Npcs.esp++ FCOM_LothsBluntWeapons.esp [Version 0.9.9]2C Oblivion WarCry EV.esp [Version 1.08a]2D FCOM_WarCry.esp [Version 0.9.9MB3]2E Oscuro's_Oblivion_Overhaul.esp [Version 1.34]++ OMOBS.esp [Version 1.0]++ OMOBS_SI.esp [Version 1.0]2F FCOM_Convergence.esp [Version 0.9.9Mb3]++ FCOM_EntropicOrderRebalance.esp [Version 0.9.9beta2]30 FCOM_RealSwords.esp [Version 0.9.9]++ FCOM_SpawnRatesSlightlyReduced.esp [Version 0.9.9MB3]++ Mart's Monster Mod - Slof Horses Complete.esp [Version 3.7b3p3]++ TamrielTravellerAdvScript.esp [Version 1.38]31 TamrielTravellers4OOO.esp [Version 1.38]32 TamrielTravellersItemsCobl.esp [Version 1.38]++ TamrielTravellersItemsVendor.esp [Version 1.37a]++ FCOM_TamrielTravelers.esp [Version 0.9.9]++ Mart's Monster Mod - Shivering Isles.esp [Version 3.7b3p3]33 OOO-WaterFish.esp [Version 1.34]34 Kvatch Rebuilt.esp++ Kvatch Rebuilt - OOO Compatibility.esp35 Kvatch Rebuilt - Leveled Guards - FCOM.esp36 Knights.esp37 Knights - Unofficial Patch.esp [Version 1.1]38 Blood&Mud.esp39 Blood&Mud - EE patch.esp [Version 4.2]3A Shadowcrest_Vineyard_COBL.esp3B FCOM_Blood&Mud.esp [Version 0.9.9]++ FCOM_Knights.esp [Version 0.9.9]3C ElsweyrAnequina.esp3D road+bridges.esp [Version 4.5.8]3E NRB4+Vineyard Patch.esp3F xuldarkforest.esp [Version 1.0.5]40 xulStendarrValley.esp [Version 1.2.2]41 xulTheHeath.esp42 XulEntiusGorge.esp43 xulFallenleafEverglade.esp [Version 1.3.1]44 Anequina-Fallenleaf-Patch.esp45 xulColovianHighlands_EV.esp [Version 1.2.1]46 xulChorrolHinterland.esp [Version 1.2.2]47 xulBeachesOfCyrodiilLostCoast.esp [Version 1.6.4]48 xulBravilBarrowfields.esp [Version 1.3.2]49 xulLushWoodlands.esp [Version 1.3.1]4A xulAncientYews.esp [Version 1.4.3]4B xulAncientRedwoods.esp [Version 1.6]4C xulCloudtopMountains.esp [Version 1.0.3]4D xulArriusCreek.esp [Version 1.1.3]4E xulPatch_AY_AC.esp [Version 1.1]4F xulRollingHills_EV.esp [Version 1.3.2]50 xulPantherRiver.esp51 Blood&Mud-PantherRiver patch.esp52 xulRiverEthe.esp [Version 1.0.2]53 xulBrenaRiverRavine.esp [Version 1.1]54 xulImperialIsle.esp [Version 1.6.6]55 xulBlackwoodForest.esp [Version 1.1.0]56 xulCheydinhalFalls.esp [Version 1.0.1]57 Blood&Mud-CheydinhalFalls patch.esp58 KvatchRebuilt-CheydinhalFalls patch.esp59 xulAspenWood.esp [Version 1.0.2]5A xulSkingradOutskirts.esp [Version 1.0.1]5B NRB4+UL-II Patch.esp [Version 5.0.1]5C West Roads.esp5D Millstone_Farm_COBL.esp5E MillstoneCOBL_UL_Patch.esp5F BarrowFields-Blood&Mud-Patch.esp [Version 1.0]60 Harvest [Flora].esp [Version 3.0.0]++ Harvest [Flora] - Shivering Isles.esp [Version 3.0.0]61 P1DkeyChain.esp [Version 5.00]++ Borderless_Cyrodiil-3578.esp62 Quest Award Leveller.esp [Version 2.0.1]63 Quest Award Leveller - Knights of the Nine.esp [Version 2.1.0]64 Alternative Start by Robert Evrae.esp65 MidasSpells.esp66 Disease Immunity (Oblivion + Shivering Isles).esp67 RenGuardOverhaul.esp68 Enhanced Grabbing.esp [Version 0.5]69 Oblivion XP.esp [Version 4.1.5]6A Atmospheric Loading Screens - No Text.esp6B Cobl Races.esp [Version 1.52]6C Cobl Races TNR.esp [Version 1.53]6D bgBalancingEVCore.esp [Version 10.52EV-D]6E bgMagicEV.esp [Version 1.7EV]++ bgMagicSpellTomes_for_WryeBash.esp [Version 1.68EV]++ bgMagicItemSigil.esp [Version 1.68EV]++ bgMagicEVStartspells.esp [Version 1.68EV]6F bgMagicBonus.esp [Version 1.7EV]++ bgMagicEVAddEnVar.esp [Version 1.68EV]70 bgMagicEVPaperChase.esp [Version 1.68EV]71 bgMagicAlchemy.esp [Version 1.57]72 bgMagicPotionNumberSoulGemValue.esp [Version 1.68UV]++ bgBalancingEVOptionalFCOMAdditions.esp [Version 10.]73 bgBalancingOptionalNPCDiversityKvatchRebuilt, for Wrye Bash.esp [Version 9.0EV-D]74 bgBalancingEVLAMEAddition.esp [Version 10.51EV-D]++ bgBalancingEVLAMEGlue.esp [Version 10.0EV-D1.62EV]75 bgBalancingEVOptionalNPCDiversityLAME.esp [Version 10.5EV-D]76 Better Cities SKINGRAD.esp [Version 4.8.0]77 Better Cities BRAVIL - Blood & Mud.esp [Version 4.8.0]78 Better Cities - Unique Landscape Barrowfields.esp [Version 4.7.0]79 Better Cities ANVIL.esp [Version 4.8.0]** Better Cities - Ruined Tail's Tale.esp [Version 4.8.0]7A Better Cities CHORROL.esp [Version 4.8.0]7B Better Cities - Unique Landscape Chorrol Hinterland.esp [Version 4.7.0]7C Better Cities CHEYDINHAL.esp [Version 4.8.0]** Better Cities - Tears of the Fiend.esp [Version 4.7.0]7D Better Cities - Unique Landscape Cheydinhal Falls.esp [Version 4.8.0]7E Better Cities LEYAWIIN.esp [Version 4.8.0]7F Better Cities BRUMA.esp [Version 4.8.0]80 Better Cities - Unique Landscape Skingrad Outskirts.esp [Version 4.7.0]81 Better Cities - VWD of the IC.esp [Version 4.7.0]** Better Cities Full - B&M Edition FPS Patch.esp [Version 4.8.0]82 Better Cities IC Arboretum.esp [Version 4.8.0]83 Better Cities IC Arcane University.esp [Version 4.8.0]84 Better Cities IC Arena.esp [Version 4.8.0]85 Better Cities IC Elven Gardens.esp [Version 4.8.0]86 Better Cities IC Green Emperor Way.esp [Version 4.7.0]87 Better Cities IC Market.esp [Version 4.8.0]88 Better Cities IC Prison.esp [Version 4.8.0]89 Better Cities IC Talos Plaza.esp [Version 4.8.0]8A Better Cities IC Temple.esp [Version 4.8.0]8B Better Cities IC Waterfront.esp [Version 4.8.0]** Better Imperial City FPS Patch.esp [Version 4.7.0]8C Better Cities - COBL.esp [Version 2.1]** Better Cities Full FPS Patch.esp [Version 4.8.0]8D Better Cities Skingrad FPS Patch.esp [Version 4.7.0]8E Better Cities Leyawiin FPS Patch.esp [Version 4.7.0]8F Better Cities Chorrol FPS Patch.esp [Version 4.7.0]90 Better Cities Cheydinhal FPS Patch.esp [Version 4.7.0]91 Better Cities Bruma FPS Patch.esp [Version 4.8.0]92 Better Cities Bravil - Blood & Mud FPS Patch.esp [Version 4.7.0]93 Better Cities Anvil FPS Patch.esp [Version 4.8.0]94 Better Cities IC Tunnel FPS Patch.esp [Version 4.7.0]95 Better Cities IC Temple FPS Patch.esp [Version 4.7.0]96 Better Cities IC Talos Plaza FPS Patch.esp [Version 4.7.0]97 Better Cities IC Prison FPS Patch.esp [Version 4.7.0]98 Better Cities IC Market FPS Patch.esp99 Better Cities IC Elven Gardens FPS Patch.esp [Version 4.7.0]9A Better Cities IC Arcane University FPS Patch.esp [Version 4.7.0]9B Better Cities IC Arboretum FPS Patch.esp [Version 4.7.0]++ [GFX]_Initial_Glow-all.esp9C bgMagicEVShader.esp [Version 1.7EV]++ bgMagicShaderLifeDetect.esp [Version 1.68]9D bgMagicLightningbolt.esp9E QTdof.esp++ Real Lava 1.3.esp9F ScreenControls.esp** NRB4 Standard Road Record.esp** All Natural - Indoor Weather Filter For Mods.esp [Version 1.0]A0 Bashed Patch, 0.espA1 Streamline 3.1.espA2 Better Cities IC Waterfront FPS Patch.esp [Version 4.7.0]A3 xulSnowdale.esp [Version 1.0]A4 Alluring Potion Bottles v3.espA5 Better Cities - Unique Landscape Imperial Isle.esp [Version 4.8.0]A6 WindowLightingSystem.esp