I have Refscope as well, but it tells me it is from Better Cities Resources...
You didn't install the "Better Cities - Textures EV.bsa" which holds all the signs textures because they are names which can be translated in other languages if needed.
Active Mod Files:00 Oblivion.esm01 All Natural Base.esm [Version 0.9.9.5]02 Francesco's Leveled Creatures-Items Mod.esm [Version 4.5bSI]03 Francesco's Optional New Items Add-On.esm [Version 4.5bSI]04 Cobl Main.esm [Version 1.73]05 Oscuro's_Oblivion_Overhaul.esm [Version 1.34]06 Mart's Monster Mod.esm [Version 3.7b3p3]07 TamrielTravellers.esm [Version 1.39c]08 FCOM_Convergence.esm [Version 0.9.9MB3]09 Better Cities Resources.esm0A Progress.esm [Version 2.2]0B CM Partners.esm** TNR ALL RACES FINAL.esp0C TNR - ShiveringIsles.esp0D Unofficial Oblivion Patch.esp [Version 3.2.10]0E DLCShiveringIsles.esp0F Unofficial Shivering Isles Patch.esp [Version 1.4.0]10 SM Plugin Refurbish - SI.esp [Version 1.30]11 Oblivion Vwalk UOS.esp12 DLCShiveringIsles Vwalk UOS.esp13 DLCShiveringIsles Vwalk DG_DS UOS.esp14 TNR ALL RACES FINAL Vwalk UOS.esp15 Better Cities .esp16 Francesco's Optional Chance of Stronger Bosses.esp17 Francesco's Optional Chance of Stronger Enemies.esp18 Francesco's Optional Chance of More Enemies.esp19 Francesco's Optional Leveled Quests-SI only.esp1A Francesco's Optional Leveled Guards.esp++ FCOM_Francescos.esp [Version 0.9.9]++ FCOM_FrancescosItemsAddOn.esp [Version 0.9.9]1B FCOM_FrancescosNamedBosses.esp [Version 0.9.9]1C Natural_Habitat_by_Max_Tael.esp1D All Natural - Real Lights.esp [Version 0.9.9.5]1E All Natural.esp [Version 0.9.9.5]1F All Natural - SI.esp [Version 0.9.9.5]++ BetterImperfectWater.esp++ Symphony of Violence.esp++ Drum_Fix.esp20 300_Lore_Dialogue_Updated.esp21 kuerteeAutoSaveAndTime.esp22 Flamering.esp23 High Heels.esp++ Item interchange - Extraction.esp [Version 0.76]24 kuerteeSittableRocks.esp25 LinchalNecromancerHome.esp26 Musical Immersion 1.0.esp27 Q - More and Moldy Ingredients v1.1.esp28 Reznod_Mannequin.esp29 Enhanced Economy.esp [Version 4.2.2]2A Crowded Cities 15.esp2B Crowded Cities 15 Vwalk.esp2C FF_Real_Thirst.esp2D Map Marker Overhaul.esp [Version 3.5.3]2E Map Marker Overhaul - SI additions.esp [Version 3.5]2F Improved Hotkeys_Extended.esp [Version 1.1]30 DLCHorseArmor.esp31 DLCHorseArmor - Unofficial Patch.esp [Version 1.0.5]32 SM Plugin Refurbish - HorseArmor.esp [Version 1.11]33 DLCOrrery.esp34 DLCOrrery - Unofficial Patch.esp [Version 1.0.3]35 DLCOrrery Vwalk.esp36 SM Plugin Refurbish - Orrery.esp [Version 1.11]37 DLCVileLair.esp38 DLCVileLair - Unofficial Patch.esp [Version 1.0.5]++ SM Plugin Refurbish - VileLair.esp [Version 1.21]39 DLCMehrunesRazor.esp3A DLCMehrunesRazor - Unofficial Patch.esp [Version 1.0.4]3B DLCMehrunesRazor Vwalk UOP.esp3C SM Plugin Refurbish - MehrunesRazor.esp [Version 1.30]++ MaleBodyReplacerV4.esp3D GhostArmor.esp3E JG Elven.esp3F Underworld Armor.esp40 Wm-Portable-Coffins.esp41 HGEC_SBVelvetRose.esp42 Morrowind Robes and Dresses for HGEC.esp43 GizmodianSorceress.esp44 DLCThievesDen.esp45 DLCThievesDen - Unofficial Patch.esp [Version 1.0.5]46 DLCThievesDen - Unofficial Patch - SSSB.esp [Version 1.0.4]47 DLCThievesDen Vwalk UOP.esp48 SM Plugin Refurbish - ThievesDen.esp [Version 1.30]49 KDCircletsOOOOptimized - NPC Equip.esp [Version 1.2]++ FCOM_KDCircletsOOOOptimizedNPCEquip.esp [Version 0.9.9]4A Cobl Glue.esp [Version 1.73]4B Cobl Si.esp [Version 1.63]4C FF_Real_Thirst, Cobl.esp4D Bob's Armory Oblivion.esp4E FCOM_BobsArmory.esp [Version 0.9.9]4F Oblivion WarCry EV.esp [Version 1.09]50 FCOM_WarCry.esp [Version 0.9.9MB5]51 Oscuro's_Oblivion_Overhaul.esp [Version 1.34]++ OOO-Water_Weeds.esp [Version 1.33]52 Oscuro's_Oblivion_Overhaul Vwalk.esp** OMOBS.esp [Version 1.0]** OMOBS_SI.esp [Version 1.0]53 OOO 1.32-Cobl.esp [Version 1.72]54 OBSE-Storms & Sound SI.esp55 FCOM_Convergence.esp [Version 0.9.9Mb3]++ FCOM_EntropicOrderhardcoe.esp [Version 0.9.9]56 FCOM_RealSwords.esp [Version 0.9.9]57 FCOM_DurabilityAndDamage.esp [Version 0.9.9]++ Mart's Monster Mod - More Passive Wildlife.esp [Version 3.7b3p3]++ FCOM_SaferRoads.esp [Version 0.9.9]58 Mart's Monster Mod - Extra Wounding.esp [Version 3.7b3p3]++ Mart's Monster Mod - Looting NPCs & Creatures.esp [Version 3.7b3p3]++ Mart's Monster Mod - Less Bone Loot.esp [Version 3.7b3p3]59 Mart's Monster Mod - Safer Quest Locations.esp [Version 3.7b3p3]5A Mart's Monster Mod - Hunting & Crafting.esp [Version 3.7b3p3]5B Mart's Monster Mod - Farm Animals.esp [Version 3.7b3p3]5C Mart's Monster Mod - Diverse WaterLife.esp [Version 3.7b3p3f]++ Mart's Monster Mod - Slof Horses Complete.esp [Version 3.7b3p3]++ Mart's Monster Mod - Diverse Runeskulls Loot OOO.esp [Version 3.7b3p3]5D TamrielTravellers4OOO.esp [Version 1.39c]5E TamrielTravellers4OOO Vwalk.esp5F TamrielTravellersItemsCobl.esp [Version 1.39c]60 ShiveringIsleTravellers.esp [Version 1.39c]61 ShiveringIsleTravellers Vwalk.esp++ FCOM_TamrielTravelers.esp [Version 0.9.9]++ FCOM_DiverseGuardUnity.esp [Version 0.9.9]++ FCOM_HungersUnitySI.esp [Version 0.9.9]62 FCOM_Archery.esp [Version 0.9.9]63 FCOM_MoreRandomSpawns.esp [Version 0.9.9]64 FCOM_MoreRandomItems.esp [Version 0.9.9]++ Mart's Monster Mod - Shivering Isles.esp [Version 3.7b3p3]++ MMM-Cobl.esp [Version 1.73]65 EVE_StockEquipmentReplacer4FCOM.esp66 300_Artifacts.esp67 Gift of Kynareth.esp68 Kragenir's Death Quest.esp69 Kragenir's Death Quest Vwalk.esp6A KDQ - Rural Line Additions.esp6B LostSwordOfTheAylied.esp6C LostSwordOfTheAylied - OBSE Add-On.esp6D The Ayleid Steps.esp [Version 3.4]6E The Ayleid Steps Vwalk.esp6F TheForgottenShields.esp70 NRB4+ForgottonShields Patch.esp71 Tona's_ModsStore.esp72 Apachii_Goddess_Store.esp73 Apachii_Goddess_Store Vwalk.esp74 DLCfrostcrag.esp75 SM Plugin Refurbish - Frostcrag.esp [Version 1.2]++ DLCFrostcrag_MysticEmporiumPatch.esp76 FrostcragRebornCobl.esp77 DLCFrostcrag Vwalk.esp78 The Lost Spires.esp79 The Lost Spires Vwalk.esp7A AFK_Weye.esp [Version 2.1.COBL]7B Shadowcrest_Vineyard_COBL.esp7C Shadowcrest_Vineyard_GuardCOBL.esp7D road+bridges.esp [Version 4.5.7]7E NRB4+Vineyard Patch.esp7F Vergayun.esp [Version 1.0.5]80 Faregyl.esp [Version 1.0.10]81 xuldarkforest.esp [Version 1.0.5]82 LostSpires-DarkForest patch.esp83 xulStendarrValley.esp [Version 1.2.2]84 xulTheHeath.esp85 XulEntiusGorge.esp86 xulFallenleafEverglade.esp [Version 1.3.1]87 LostSpires-Everglade patch.esp [Version 1.2]88 xulColovianHighlands_EV.esp [Version 1.2.1]89 xulChorrolHinterland.esp [Version 1.2.2]8A xulChorrolHinterland Vwalk.esp8B xulBeachesOfCyrodiilLostCoast.esp [Version 1.6.4]8C KragenirsDeathQuest-LostCoast patch.esp8D xulBravilBarrowfields.esp [Version 1.3.2]8E xulBravilBarrowfields Vwalk.esp8F xulLushWoodlands.esp [Version 1.3]90 xulAncientYews.esp [Version 1.4.3]91 xulAncientRedwoods.esp [Version 1.6]92 xulCloudtopMountains.esp [Version 1.0.3]93 KragenirsDeathQuest-CloudtopMountains patch.esp94 xulArriusCreek.esp [Version 1.1.3]95 xulPatch_AY_AC.esp [Version 1.1]96 LostSwordoftheAyleids-ArriusCreek patch.esp97 xulRollingHills_EV_withoutWheat.esp [Version 1.3.2]98 xulRollingHills_EV.esp [Version 1.3.2]99 xulRollingHills_EV Vwalk.esp9A KragenirsDeathQuest-RollingHills patch.esp9B xulPantherRiver.esp9C xulRiverEthe.esp [Version 1.0.2]9D xulBrenaRiverRavine.esp [Version 1.0.2]9E xulBrenaRiverRavine Vwalk.esp9F xulImperialIsle.esp [Version 1.6.5]A0 xulImperialIsle Vwalk.espA1 xulBlackwoodForest.esp [Version 1.1.0]A2 xulCheydinhalFalls.esp [Version 1.0.1]A3 GiftOfKynareth-CheydinhalFalls patch.espA4 xulAspenWood.esp [Version 1.0.2]A5 xulAspenWood Vwalk.espA6 xulSkingradOutskirts.esp [Version 1.0.1]A7 xulSkingradOutskirts Vwalk.espA8 xulSnowdale.esp [Version 1.0]A9 FrostcragReborn-Snowdale patch.espAA OOO-Snowdale Patch.espAB NRB4+UL-II Patch.esp [Version 5.0.1]AC West Roads.espAD Better Cities - House price patch.esp [Version 1.0]AE Harvest [Flora].esp [Version 3.0.0]++ Harvest [Flora] - Shivering Isles.esp [Version 3.0.0]++ Harvest [Flora] - DLCVileLair.esp [Version 3.0.0]AF Harvest [Flora] - DLCFrostcrag.esp [Version 3.0.0]B0 EVE_ShiveringIslesEasterEggs.esp++ ScriptIcon_Replacer.esp++ Skillbased Thieves Guild Invitation_HARD.espB1 Enhanced Economy - House prices.esp [Version 1.0]B2 Quest Award Leveller.esp++ Quest Award Leveller - Vile Lair.esp++ Quest Award Leveller - Mehrunes Razor.espB3 Alternative Start by Robert Evrae.espB4 RealisticFatigue.espB5 RefScope.esp [Version 2.0.2]B6 SupremeMagicka.esp [Version 0.90]B7 SM_ShiveringIsles.esp [Version 0.86]++ SM_OOO.esp [Version 0.89]++ SM_MMM.esp [Version 0.89]++ SM_COBL.esp [Version 0.86]B8 SM_EnchantStaff.esp [Version 0.80]++ SM_UnlockSpells.esp [Version 0.70]++ SM_Scrolls.esp [Version 0.84]++ SM_SigilStone.esp [Version 0.83]B9 MidasSpells.espBA Midas OscuroGems.esp++ Midas Betterholy.esp++ Midas Reduced Costs Half.esp++ Mart's Monster Mod - Midas Creature Ingredients.esp++ Midas PowDur2x.espBB Syc_AtHomeAlchemy.espBC EnchantmentRestore.esp++ EnchantmentRestore_Wells.espBD attack and hide medium v2.0.espBE No psychic guards v1.2.espBF Enhanced Grabbing.esp [Version 0.5]C0 Denock Arrows.espC1 nGCD.espC2 nGCD Oghma Infinium.esp++ nGCD Skeleton Key.espC3 ProgressGSD.esp [Version 2.0]C4 ProgressMBSP.esp [Version 2.0]C5 ProgressSBSP.esp [Version 1.0]C6 ProgressRBSP.esp [Version 1.0]C7 ProgressRacial.espC8 ProgressArmorer.esp [Version 1.0]C9 Legendary Abilities-Reflect MOJ.esp [Version 2.0]CA Grandmaster of Alchemy.espCB Let There Be Darkness - Cyrodiil + SI.espCC Let There Be Darkness - Mehrunes Razor.esp++ Item interchange - Placement for FCOM.esp [Version 0.76]++ Item interchange - Placement for Frostcrag Reborn.esp [Version 0.76]++ EVE_KhajiitFix.espCD CM Partners.espCE CM Partners Vwalk.espCF CM Partners Special NPCs.espD0 CM Partners Special NPCs Vwalk.espD1 CM Partners NPC NE.espD2 CM Partners NPC NE Vwalk.espD3 CM Partners More NPCs NE.espD4 CM Partners More NPCs NE Vwalk.espD5 CM Partners Extra NPCs.espD6 CM Partners Extra NPCs Vwalk.espD7 1em_Vilja.esp [Version 2.2]D8 1em_Vilja Vwalk.espD9 bgBalancingEVCore.esp [Version 10.52EV-D]DA bgMagicEV.esp [Version 1.7EV]DB bgMagicEV Vwalk.esp++ bgMagicSpellTomes_for_WryeBash.esp [Version 1.68EV]++ bgMagicItemSigil.esp [Version 1.68EV]++ bgMagicEVStartspells.esp [Version 1.68EV]DC bgMagicBonus.esp [Version 1.7EV]++ bgMagicEVAddEnVar.esp [Version 1.68EV]DD Moonshadow Elves.espDE bgBalancingEVOptionalNPCDiversity, TNR Merge.esp [Version 10.0EV-D]DF bgBalancingVanillaGMSTArmorPenalty.esp [Version 9.0UV-U]++ bgBalancingEVOptionalFCOMAdditions.esp [Version 10.]E0 bgBalancingEVLAMEAddition.esp [Version 10.51EV-D]++ bgBalancingEVLAMEGlue.esp [Version 10.0EV-D1.62EV]E1 bgIntegrationEV.esp [Version 0.993]E2 bgIntegrationEV Vwalk.espE3 Better Cities Full.espE4 Better Cities Full Vwalk.espE5 BCBravilFULL-Barrowfields patch.espE6 BCChorrol-ChorrolHinterland patch.espE7 BCCheydinhalFULL-CheydinhalFalls patch.espE8 BCSkingrad-SkingradOutskirts patch.espE9 Better Cities - VWD of the IC.espEA Better Imperial City.espEB Better Imperial City Vwalk.espEC Better Imperial City FPS Patch.espED Better Cities - COBL.esp [Version 2.1]EE Better Cities Full FPS Patch.espEF No More Annoying Comments.esp** bgMagicEVShader.esp [Version 1.7EV]F0 bgMagicLightningbolt.espF1 Get Wet v0.92.esp** Enhanced Economy - Soulgems.esp [Version 4.2.2]F2 Real Hunger, Cobl.esp [Version 1.6.1]** NRB4 Standard Road Record.esp++ Cobl Filter Late MERGE ONLY.esp [Version 1.53]** All Natural - Indoor Weather Filter For Mods.esp [Version 0.9.9.5]F3 Bashed Patch, 0.esp