Last Night, Oblivion was working great. Today, I cannot go into Anvil Gate because it is locked and a message appears after I use the console to open it that says, "You may not exit the Arena until all your enemies are defeated" or something like that. I have heard of this problem before a long time ago, but I don't remember what it was from. It occurs with my 245 mods and without any mods, as if its in the .esm. Also, whenever I try to quicksave, the game instantly crashes. Oh, and the door to Fort Strand is broken so it just says, "Wooden Door", and it won't let me in. All of a sudden, everything has gone to heck. Please help!

You should not use Oblivion's quick saves anyway, and if you have been doing that, there might already be corrupt data in your save file. Seeing your mod list might be helpful too, however. I have not heard of this issue. If you use TES4View, you can figure out which plugin is responsible for the Wooden Door thing though.

It actually seemed to be all saves including quick, auto, and those of Kuertee's auto-save mod. Sometimes, I'll start a game and they will save fine, other times the save crashes the game. It's weird. I did figure out that the mod, Better Arena, was causing the Anvil door to be messed up, so I took that mod off.The door into Fort Strand is still broken, however. My mod list is lengthy but here it is. Note that not all mods are active, but 245 are. Some are my own and some are merged. If any of the common mods are known to have these problems, please let me know.

Oblivion.esm
MathFunctions.esm
Francesco's Leveled Creatures-Items Mod.esm
Francesco's Optional New Items Add-On.esm
BurningItemsMasterF.esm
Crafting Skill Engine.esm
Cobl Main.esm
Qarls_Harvest.esm
Oscuro's_Oblivion_Overhaul.esm
Mart's Monster Mod.esm
FCOM_Convergence.esm
Armamentarium.esm
Kvatch Rebuilt.esm
AFC v2 Core.esm
cssBase.esm
CM Partners.esm
Toaster Says Share v3.esm
SoVvM.esm
HorseCombatMaster.esm
UnnecessaryViolence.esm
Younger Hotter NPC's v1.0.esp
Colourwheels sixy Female NPCs.esp
DLCShiveringIsles.esp
Francesco's Optional Chance of Stronger Bosses.esp
Francesco's Optional Chance of Stronger Enemies.esp
Francesco's Optional Chance of More Enemies.esp
FCOM_Francescos.esp
FCOM_FrancescosItemsAddOn.esp
FCOM_FrancescosNamedBosses.esp
Loading Screens - Vanilla No Text.esp
Natural_Weather_with_darker_Nights_by_Max_Tael.esp
Natural_Habitat_by_Max_Tael.esp
Natural_Water_by_Max_Tael.esp
Symphony of Violence.esp
300_Lore_Dialogue_Updated.esp
Akatosh Mount By Saiden Storm.esp
AFC v2 Combo Chains.esp
AFC v2 Combat Moves.esp
AFC v2 Gauntlet Weaponry.esp
CLS-Sailboats.esp
Days&Months.esp
DragonStatuesv1.esp
KF Chapel Shop.esp
merchant chest fix.esp
Maigrets House Cats.esp
P1DmenuEscape.esp
Immersive Combat Music.esp
BetterMusicSystem.esp
personality_idles2.esp
Pegasus.esp
phinix_master_summon.esp
Q - More and Moldy Ingredients v1.1.esp
Qarls_Harvest.esp
wd purse of wonders.esp
Harvest[Containers].esp
Living Economy.esp
StandingJOJO.esp
Map Marker Overhaul.esp
Expanded Hotkeys and Spell Delete V2.esp
DLCHorseArmor.esp
DLCVileLair.esp
DLCMehrunesRazor.esp
MaleBodyReplacerV3.esp
Adonnays Elven Weaponry.esp
Ageha Tortured Soul HGEC.esp
Classic Books.esp
Fantasy Mod.esp
Hiyoko_Store.esp
Jedi LightSabers with Sound.esp
LockpickMold.esp
Oonas_Outfitters.esp
Thieves Arsenal.esp
Colourwheels sixy Stock Armor & Clothing Replacer.esp
IC Horse Ranch.esp
AncientTowers.esp
DLCThievesDen.esp
ExnemRuneskulls.esp
Cobl Glue.esp
Cobl Si.esp
FCOM_Cobl.esp
Bob's Armory Oblivion.esp
FCOM_BobsArmory.esp
ArmamentariumLLVendors.esp
OBSE-Storms & Sound SI.esp
FCOM_Convergence.esp
Mart's Monster Mod - More Wilderness Life.esp
Mart's Monster Mod - Extra Wounding.esp
Mart's Monster Mod - Dungeons of MMM.esp
Mart's Monster Mod - Gems & Gem Dust.esp
Mart's Monster Mod - Hunting & Crafting.esp
Mart's Monster Mod - Farm Animals.esp
Mart's Monster Mod - Diverse WaterLife.esp
Mart's Monster Mod - Slof Horses Complete.esp
Mart's Monster Mod - Diverse Runeskulls Loot G&GD.esp
ArmamentariumLL4OOO.esp
ArmamentariumLLMagicOOO.esp
OOO-WaterFish.esp
Enhanced Quest Roleplaying.esp
Adaman Fortress.esp
Amajor7 Imperial Furniture.esp
Auriel's_Retreat.esp
Brothers Trade Goods.esp
Bandit Hideouts.esp
Better Dark Brotherhood Sanctuary.esp
BrotherhoodRenewed.esp
eyja.esp
GB_Oblivion Tournament.esp
GTAesgaard.esp
HauntedHouse.esp
Hentai Mania.esp
Kragenir's Death Quest.esp
KDQ - Rural Line Additions.esp
Kvatch Rebuilt.esp
EiAmod.esp
KragenirsDeathQuest-LetThePeopleDrink patch.esp
M.O.E. - Tools of Kagrenac - The Secret of White Gold Tower.esp
M.O.E. - The Black Sacrament - Night Mother's Ritual.esp
Malevolent.esp
Museum.esp
Necromancer Shop.esp
Pats Business Mod---Shop Version 2.0.esp
Players with Jobs.esp
Raiders of Cyrodil.esp
Servant of the Dawn.esp
Star Ship Orion.esp
Apachii_Goddess_Store.esp
Apachii_Heroes_Store.esp
Whispered Warning.esp
Zira Horse Showjumping Track.esp
DLCFrostcrag.esp
Knights.esp
TOTF.esp
MannimarcoRevisited.esp
MannimarcoRevisitedOOO.esp
Mart's Monster Mod - City Defences.esp
ElsweyrAnequina.esp
xulBeachesOfCyrodiilLostCoast.esp
KragenirsDeathQuest-LostCoast patch.esp
xulAncientYews.esp
xulArriusCreek.esp
Castle_Seaview.esp
Moriarcis.esp
Natural_Vegetation_by_Max_Tael.esp
Harvest [Flora].esp
Assassin Tripwires.esp
DecoratorAssistant with OBSE v1.1.esp
ImprovedSoulgems.esp
Kyoma's Journal Mod.esp
M.O.E. - Lycanthropy and Lichcraft.esp
Oblivifall - Let's Talk!.esp
Oblivifall - Something's Not Right.esp
P1DkeyChain.esp
Retros Fletching and Imbueing.esp
Toggleable Quantity Prompt.esp
university cosmetics-no orrery dome.esp
Quest Award Leveller.esp
Cliff_Roleplayingcharacter.esp
SM Encumbrance and Fatigue.esp
RealisticHealth.esp
RealisticForceLow.esp
M.O.E. - Vampire Clan Raelu.esp
Scorn's Vampirism 2.esp
LithiansNatureOfTheBeastModBeta.esp
hilarity_121.esp
M.O.E. - Ethereal State Spell.esp
M.O.E. - Levitation Magic.esp
M.O.E. - Teleportation Magic and Icarian Flight.esp
PJs Disco Spell.esp
TeachSpell.esp
Telekinetic Mastery.esp
The Sixth Element.esp
RefScope.esp
SetBody.esp
SupremeMagicka.esp
SM_EnableCharmChameleon.esp
SM_EnableRestoreEnchanting.esp
MidasSpells.esp
AudaciousMagery.esp
SorcerysToll.esp
Advanced Magecraft.esp
Arcane Infusion.esp
ArcaneArchery.esp
RshAlchemy.esp
MerchantFriendsBuysStolen.esp
attack and hide medium v2.1.esp
DeadlyReflex 5 - Combat Moves.esp
Deadly Reflex - Breathing Motion & Head Bobbing.esp
Druid.esp
Smarter Mercantile Leveling - Multi.esp
Intelligence Overhaul BJ.esp
Legendary Abilities-Reflect MOJ.esp
Grandmaster of Alchemy.esp
actors_in_charge.esp
ActorsInMadness.esp
77_Umpa_Animation.esp
EFGAddPose.esp
shinyEmotions.esp
Mart's Monster Mod - Resized Races.esp
Avariel.esp
CuteElf11.esp
Tabaxi_Race_Default.esp
IDKRRR_C_race.esp
X.Races.Comp.esp
Luchaire's Dryad Race for MMM.esp
Tabaxi_Race_Robert.esp
Toaster Says Share Faction Recruitment.esp
cssCalisto.esp
cssNalia.esp
cssSafana.esp
1em_Vilja.esp
Cobl Races.esp
Cobl Races TNR.esp
Cobl Races TNR SI.esp
Cobl Races - Balanced.esp
Get Wet v0.92.esp
Visual Enchantments v1.0.esp
UnnecessaryViolence.esp
Cobl Filter Late MERGE ONLY.esp
Streamline 2.1.esp
Bashed Patch, Kids.esp
Ren_BeautyPack_full.esp
Banes Fallen Angel Sanctuary.esp
Impereal Mods.esp
Extended Cities.esp
Crowded Cyrodiil.esp
Oblivion Items.esp
Deadly Reflex 5 - Timed Block with no changes.esp
Dwemer_Skyship 1.1.esp
CompanionTracker.esp
CM Partners Merges.esp
CM Fantasy Partners.esp
PJs Spell Compendium 1.0.esp
OrderofNibenay.esp
Tamriel Resource Exchange.esp
OblivionScriptOptimizationv1.0.esp
MoreVariedSpellEffects.esp
Level-independent Health.esp
Marksman Target Training.esp
Merged Weapons and Armors.esp
Corean Race.esp
Divine Eyes.esp
BountyReductionOverTime_mostwanted.esp
Slof's Stuff For Wizards.esp
RidableWolf.esp
Alternative Start.esp
Disguises.esp
Astrianna.esp
the Thirteenth Coven.esp
PrimaryNeeds135_2.esp
Never die.esp
Enhanced Cities.esp
Zira's Clydesdale Horses.esp
Oblivion Astrology.esp
Unique Landscapes Merged 1.esp
Unique Landscapes Merged 2.esp
Unique Landscapes Merged 3.esp
Clintmichs Market District Merchants v1.1.esp
Knock Enemies Unconscous.esp
Maps of Cyrodiil.esp
ThemeParkFinal.esp
xuCastleSeaview+LostCoast Patch.esp
AutoMagicon.esp
Awesome Book Resources.esp
VAEDEJ_skillBasedHarvest.esp
TheHolyBlade.esp
DarkBroSanctuaryRebuilt.esp
Side's EAX Control.esp
Castle_Seaview.esu
CB Gothic Mistress.esp
Magick Merchant.esp
DandD_Portable_Hole.esp
LetThePeopleDrink.esp
Reaper's Coldstone Town.esp
MofMagecraft1.7.esp
RingOfWings_Wingless.esp
SSEE-OOO.esp
personality_idles4.esp
Active_Inventory_Spell_1.2.esp
QQuix - Divine Elegance Showroom.esp
Banes Guilds United.esp
Improved Hotkeys.esp
Bard of Cyrodiil 2.0.esp
Lich King's Helm v1_0.esp
DeathKightSpells v1_3.esp
SigilStoneSelector-SSEE-OOO.esp
!BurningItems 0.4.esp
kuerteeAutoSaveAndTime.esp
Oblivion Graphics Extender Support.esp
Liberty.esp
Logical Ingredients.esp
Enhanced Dungeons.esp
Bashed Patch, 0.esp
DaedricWAR.esp
SM_EnchantStaff.esp
New Foes.esp
Shining Creatures.esp
Merged Race.esp
Undead and Dremora Armies.esp
Location Names With Enemy Tags.esp
Rogue.esp
Oscuro's_Oblivion_Overhaul.esp
Partners Galore.esp

whew! Thank goodness for copy and paste.