I'm using the mod custom spell icons, and today I noticed that after changing the icon, when I reboot, the icon goes back to whatever it was (in this case the burden icon). I think it might be a mod conflict, but I can't figure out which one it is.

Here is my load order:

Oblivion.esm
All Natural Base.esm
Cobl Main.esm
Harvest[Containers].esm
Waalx Animals & Creatures.esm
CustomSpellIcons.esm
HorseCombatMaster.esm
ScreenEffects.esm
FastTravelDoubleFaceFix.esp
Unofficial Oblivion Patch.esp
DLCShiveringIsles.esp
Unofficial Shivering Isles Patch.esp
Atmospheric Loading Screens - Random Quotes.esp
All Natural.esp
All Natural - SI.esp
Immersive Interiors.esp
Enhanced Water v2.0 ND.esp
LightVWD.esp
PlaySpecial - OBSE and SoundCommands Required.esp
Sounds of Cyrodiil.esp
All Natural - Real Lights.esp
WindowLightingSystem.esp
ChaseCameraMod.esp
AFK_PrayerIdles.esp
Luchaire's Neck Seam Concealer.esp
Medic!.esp
PTFallingStars.esp
QQuix - Rock, rock, rock your ship - V3.esp
Raestloz Auto Reset Emotion.esp
VipCxj_AirSystem.esp
VipCxj_HighHeels.esp
Living Economy.esp
Living Economy - Items.esp
Cutthroat Merchants.esp
Display Stats.esp
Duke Patricks - Follow That Actor.esp
Duke Patricks - Safe Save.esp
FormID Finder4.esp
kuerteeAutoSaveAndTime.esp
kuerteeCleanUp.esp
kuerteeSittableRocks.esp
Lock Bash Omega.esp
Musical Immersion 1.0.esp
Purge Cell Buffers - Loading.esp
QZ Easy Menus.esp
Spell Delete And Item Remove.esp
Landmarks, w Wells.esp
Quick Clothes and Spells.esp
DLCHorseArmor.esp
DLCSpellTomes.esp
1SB_RavenousEleganceOutfit.esp
1SB_LethalMajestyOutfit.esp
Adonnays Classical Weaponry.esp
Andragorn_Weapons_Armors.esp
Banes Guilds United.esp
StarCraft II Characters.esp
Banes DB Mask Placer True.esp
BlackDragonNinjato.esp
ClassyClothingCompendium.esp
KDDwemerSpectacles.esp
Lockbreaker.esp
Grey Warden Runic Armor.esp
Pauldron.esp
AT2 01-Shiki Armor Set.esp
AT2 02-Shiki Armor Set.esp
CB Rogue Armor.esp
Cobl Glue.esp
Cobl Si.esp
Alluring Potion Bottles v3.esp
WAC.esp
WAC - OverSpawn.esp
WAC - Player Summons.esp
WAC - Horses.esp
WAC - TCOS.esp
WAC - TCOS Shops.esp
WAC - Legion.esp
WAC - Legion_FemaleFix.esp
WAC - Magic.esp
CNRP Brumav02.esp
CNRP Chorrol.esp
CNRP Cheydinhal.esp
Trade and Commerce.esp
adTreeHome.esp
Amaterasu no Yume.esp
BladeSong.esp
Lem - Celestial Lagoon.esp
TML_TheBox.esp
Trashdog's SPB Heavy AB Shop.esp
Ushnar's Re-Skinned Hound.esp
MannimarcoRevisited.esp
Duke Patricks - HammerBlade.esp
Harvest [Flora].esp
Harvest [Flora] - Shivering Isles.esp
100% Harvest Chance.esp
Auto Potion Homebrew.esp
Auto Repair.esp
BlackScreenSneakFix.esp
HUD Status Bars.esp
DwemerSpecsEquip.esp
Dungeon Actors Have Torches 1.6 DT.esp
Exterior Actors Have Torches 1.3 DT.esp
Improved Fires and Flames - Increased Sound.esp
kuerteeSilentEquipUnequipClothing.esp
Oblivifall - Ambiant Dungeon SFX.esp
ATakesAll.esp
UNKNOWNYMOUS Social NPCs.esp
Wrye Shivering Death.esp
Lynges Unlimited Death Reload Time.esp
za_less_NPC_conversations.esp
Quest Award Leveller.esp
Alternative Beginnings.esp
SM Encumbrance and Fatigue.esp
NoDurationSpells.esp
ConduitMagic.esp
Druid Mod.esp
NollesMadnessPortalT2.esp
Oblivion Gate Closer Spell V2.esp
Smite of Order.esp
TheKillingMoon.esp
AgarMoreVariedSpellEffects.esp
AudaciousMagery.esp
Poison FX.esp
Lightweight Potions.esp
Banes Blade of Woe Replacer.esp
SetEssentialActors.esp
CSR - Fine Iron.esp
CSR - Golden Saint.esp
EnchantmentRestore.esp
EnchantmentRestore_Wells.esp
sycHearNoEvil.esp
Enhanced Grabbing.esp
Cobl Silent Equip Misc.esp
cancelattack.esp
Duke Patricks - Combat Archery.esp
I just hit you.esp
DeadlyReflex 5 - Combat Moves.esp
Phitt's Phighting Phixes.esp
Unequip Broken Armor.esp
Oblivion XP.esp
Mayu's Animation Overhaul.esp
ActorsInEmotions.esp
Corean_hair_for_Original_race.esp
Moonshadow Elves - Sc.esp
Vampire Race Reloaded.esp
Vampire Race Reloaded Patch by Xtudo.esp
X.Races.Comp.esp
1em_Vilja.esp
1em_Vilja_as_High_Imperial.esp
Companion Neeshka.esp
bgBalancingEVCore.esp
ZUAmberMadnessOverhaul.esp
bgMagicEV.esp
[GFX]_Initial_Glow-self.esp
1310-Chamelion-NoRefraction-TESSource.esp
bgMagicEVShader.esp
nvdeShy.esp
Detect Life Red Shader.esp
DS Flaming Arrows.esp
BubbleFx.esp
bgMagicEVNoSummonGlow.esp
Faction Rank Fix.esp
MiniMap.esp
Duke Patricks - BASIC Script Effect Silencer NIF REMOVED.esp
UVII.esp
Companion Compatibility.esp
English Silent Voice Fix.esp
Bashed Patch, 0.esp
Unholy Darkness.esp
Duke Patricks - Melee Combat NO RECOIL.esp
Ragna Parry V2.esp

Help is appreciated.