I haven't really figured out when exactly this happens, but I've had both combat and non-combat occurrences.
Perhaps somebody can see an obvious mod conflict (load order below)? I'm suspecting a conflict with DPCM myself, but nobody else has reported anything similar.
Doomguy
Active Mod Files:
Spoiler
00 Oblivion.esm
01 Jog_X_Mod.esm
02 All Natural Base.esm [Version 1.3]
03 Cobl Main.esm [Version 1.72]
04 Oscuro's_Oblivion_Overhaul.esm [Version 1.34]
05 Mart's Monster Mod.esm [Version 3.7b3p3]
06 Mart's Monster Mod for OOO.esm [Version 0.9.9MB3]
07 Enhanced Daedric Invasion.esm
08 Kvatch Rebuilt.esm
09 BetterMusicSystem.esm
0A Oblivifall Master File.esm [Version 1.1]
** TNR ALL RACES FINAL.esp
0B Unofficial Oblivion Patch.esp [Version 3.3.6]
0C Oblivion Citadel Door Fix.esp
0D DLCShiveringIsles.esp
0E Unofficial Shivering Isles Patch.esp [Version 1.4.3]
0F SM Plugin Refurbish - SI.esp [Version 1.30]
10 Natural_Habitat_by_Max_Tael.esp
11 All Natural.esp [Version 1.3]
12 All Natural - SI.esp [Version 1.3]
13 All Natural - MMM Patch.esp [Version 1.3]
14 OBGE - Liquid Water.esp
15 Idle Dialogue.esp [Version 1.2]
16 AmbientTownSounds.esp
17 Distant Chapel Bells.esp
18 Rainbows.esp
19 All Natural - Real Lights.esp [Version 1.3]
1A WindowLightingSystem.esp
1B Ayleid Loot EXtension.esp
1C Ayleid Loot EXtension - OOO Dungeons.esp
++ Item interchange - Extraction.esp [Version 0.76]
1D Oblivion Cats v0.2b.esp
1E Oscars_Nicer_Grass-3346.esp
1F Enhanced Economy.esp [Version 5.4]
20 Crowded Roads.esp [Version 2.0]
21 DarNifiedUI Config Addon.esp
22 Display Stats.esp [Version 2.0.1]
23 DropLitTorchOBSE.esp [Version 2.4]
24 sycNiceToMeetYou.esp
25 Quest Log Manager.esp [Version 1.3.2]
26 Streamline 3.1.esp
27 Map Marker Overhaul.esp [Version 3.8]
28 Map Marker Overhaul - SI additions.esp [Version 3.5]
29 Enhanced Hotkeys.esp [Version 2.2]
2A DLCHorseArmor.esp
2B DLCHorseArmor - Unofficial Patch.esp [Version 1.0.6]
2C SM Plugin Refurbish - HorseArmor.esp [Version 1.11]
2D DLCOrrery.esp
2E DLCOrrery - Unofficial Patch.esp [Version 1.0.4]
2F SM Plugin Refurbish - Orrery.esp [Version 1.11]
30 DLCVileLair.esp
31 DLCVileLair - Unofficial Patch.esp [Version 1.0.7]
32 SM Plugin Refurbish - VileLair.esp [Version 1.21]
33 DLCMehrunesRazor.esp
34 DLCMehrunesRazor - Unofficial Patch.esp [Version 1.0.5]
35 SM Plugin Refurbish - MehrunesRazor.esp [Version 1.30]
36 DLCSpellTomes.esp
37 DLCSpellTomes - Unofficial Patch.esp [Version 1.0.0]
38 DLCHorseArmor+SBLite.esp
39 DLCHorseArmor+HorseCommandsSI.esp
3A DLCHorseArmor+Accessories.esp
3B SellHorses.esp
3C DLCThievesDen.esp
3D DLCThievesDen - Unofficial Patch.esp [Version 1.0.9]
3E DLCThievesDen - Unofficial Patch - SSSB.esp [Version 1.0.2]
3F SM Plugin Refurbish - ThievesDen.esp [Version 1.30]
40 Cobl Glue.esp [Version 1.72]
41 Cobl Si.esp [Version 1.63]
++ Cobl Tweaks.esp [Version 1.44]
42 Oscuro's_Oblivion_Overhaul.esp [Version 1.34]
43 OOO-Container_Trap_Instant_Effects.esp [Version 1.33]
44 OOO 1.32-Cobl.esp [Version 1.72]
45 OBSE-Storms & Sound SI.esp
46 Mart's Monster Mod for OOO.esp [Version 0.9.9MB3]
47 Mart's Monster Mod - Shivering Isles.esp [Version 3.7b3p3]
48 Mart's Monster Mod - Additional Enemy NPC Vars.esp [Version 3.7b3p3]
49 Mart's Monster Mod - Looting NPCs & Creatures.esp [Version 3.7b3p3]
4A Mart's Monster Mod - Dungeons of MMM.esp [Version 3.7b3p3]
4B Mart's Monster Mod - More Wilderness Life.esp [Version 3.7b3p3]
4C Mart's Monster Mod - More Passive Wildlife.esp [Version 3.7b3p3]
4D Mart's Monster Mod - City Defences.esp [Version 3.7b3p3]
4E Mart's Monster Mod - Friendlier Factions OOO.esp [Version 3.7b3p3]
4F Mart's Monster Mod - Farm Animals.esp [Version 3.7b3p3]
50 Mart's Monster Mod - Diverse WaterLife.esp [Version 3.7b3p3]
51 Mart's Monster Mod - Diverse Runeskulls Loot OOO.esp [Version 3.7b3p3]
52 MMM-Cobl.esp [Version 1.69]
53 hackdirtabyss.esp
54 Kvatch Rebuilt.esp
55 Kvatch Rebuilt - OOO Compatibility.esp
56 Kvatch Rebuilt Weather Patch.esp
57 thievery.esp
58 thievery - EE patch.esp [Version 4.2]
59 VaultsofCyrodiil.esp
5A Cyrodiil Travel Services.esp [Version 3.0.2]
5B za_bankmod.esp
5C DLCBattlehornCastle.esp
5D DLCBattlehornCastle - Unofficial Patch.esp [Version 1.0.6]
5E SM Plugin Refurbish - Battlehorn.esp [Version 1.30]
5F Lynges_Thieves_Highway-10256.esp
60 DLCFrostcrag.esp
61 DLCFrostcrag - Unofficial Patch.esp [Version 1.0.5]
62 SM Plugin Refurbish - FrostCrag.esp [Version 1.2]
63 Knights.esp
64 Knights - Unofficial Patch.esp [Version 1.1.1]
65 SM Plugin Refurbish - Knights.esp [Version 1.06]
66 Mart's Monster Mod for OOO - Knights .esp [Version 0.9.9MB3]
67 Enhanced Daedric Invasion.esp
68 EDI - Less Monotonous DOT.esp
69 Oblivifall - Losing My Religion.esp [Version 1.42]
6A Oblivifall - Losing My Religion Kvatch Rebuilt.esp [Version 1.0]
6B Oblivifall - Losing My Religion KOTN.esp [Version 1.0]
6C Faregyl.esp [Version 2.0.4]
6D Feldscar.esp [Version 1.0.9]
6E Molapi.esp [Version 1.0.1]
6F Vergayun.esp [Version 1.0.7]
70 Frostcrag Village.esp [Version 1.0.3]
71 Natural_Vegetation_by_Max_Tael.esp
72 Harvest [Flora].esp [Version 3.0.0]
73 Harvest [Flora] - Shivering Isles.esp [Version 3.0.0]
74 Harvest [Flora] - DLCVileLair.esp [Version 3.0.0]
75 Harvest [Flora] - DLCFrostcrag.esp [Version 3.0.0]
76 Cliff_RiskyInnBeds.esp
77 Kyoma's Journal Mod.esp [Version 3.2.0]
78 PersuasionOverhaul.esp [Version 1.43]
79 PersuasionOverhaul_OOO.esp [Version 1.2]
7A Enhanced Vegetation [150%].esp
7B Soulgem Magic.esp [Version 1.0]
7C Toggleable Quantity Prompt.esp [Version 3.1.1]
7D Roleplaying Dialogues.esp
7E Alternative Beginnings.esp [Version 1.2.1]
7F RealisticFatigue.esp
80 RealisticHealth.esp
81 PC Sleep Disrober.esp [Version -03]
82 RealSleepExtended.esp [Version 2.5]
83 Kyoma's Spell Renamer.esp [Version 3.0.1]
84 SupremeMagicka.esp [Version 0.90b]
85 SM_ShiveringIsles.esp [Version 0.90]
86 SM_DLCSpellTome.esp [Version 0.90]
87 SM_OOO.esp [Version 0.90]
88 SM_COBL.esp [Version 0.90]
89 SM_EnchantStaff.esp [Version 0.90]
8A SM_Scrolls.esp [Version 0.90]
8B SM_SigilStone.esp [Version 0.90]
8C Syc_AtHomeAlchemy.esp
8D Lightweight Potions.esp [Version 1.0]
8E Stealth Entrances v1.esp
8F Morrowind Lockpicking.esp
90 RenGuardOverhaul.esp
91 sycHearNoEvil.esp [Version 1.0]
92 sycSHOUT.esp [Version 1.02]
93 Enhanced Grabbing.esp [Version 0.5]
94 Duke Patricks - Combat Archery.esp [Version 5.1.3]
95 Combat Fumbling.esp [Version 06]
96 Duke Patricks - Near Miss Magic And Arrows Alert The Target.esp [Version 7.1]
97 Duke Patricks - Melee Combat NO RECOIL.esp [Version 2.6.7]
98 Sneaking Detection Recalibrated.esp
99 RealisticLeveling.esp
9A immersive_caves_manual.esp
** Cava Obscura - Cyrodiil.esp
** Cava Obscura - SI.esp
** Cava Obscura - Filter Patch For Mods.esp
++ Item interchange - Placement.esp [Version 0.76]
++ Item interchange - Placement for Frostcrag.esp [Version 0.76]
9B [GFX]_Initial_Glow-all.esp
** Visually Enchanted Fire 1.esp
** Visually Enchanted Frost 2.esp
** Visually Enchanted Shock 1.esp
9C Real Hunger, Cobl.esp [Version 1.6.1]
9D Doomguy's Menu Items Tweak.esp
9E DLCHorseArmor+ArmoredImperialHorses.esp
9F Doomguy's SM Spellfire rebalance.esp
++ Cobl Filter Late MERGE ONLY.esp [Version 1.53]
** All Natural - Indoor Weather Filter For Mods.esp [Version 1.3]
A0 Bashed Patch, 0.esp
01 Jog_X_Mod.esm
02 All Natural Base.esm [Version 1.3]
03 Cobl Main.esm [Version 1.72]
04 Oscuro's_Oblivion_Overhaul.esm [Version 1.34]
05 Mart's Monster Mod.esm [Version 3.7b3p3]
06 Mart's Monster Mod for OOO.esm [Version 0.9.9MB3]
07 Enhanced Daedric Invasion.esm
08 Kvatch Rebuilt.esm
09 BetterMusicSystem.esm
0A Oblivifall Master File.esm [Version 1.1]
** TNR ALL RACES FINAL.esp
0B Unofficial Oblivion Patch.esp [Version 3.3.6]
0C Oblivion Citadel Door Fix.esp
0D DLCShiveringIsles.esp
0E Unofficial Shivering Isles Patch.esp [Version 1.4.3]
0F SM Plugin Refurbish - SI.esp [Version 1.30]
10 Natural_Habitat_by_Max_Tael.esp
11 All Natural.esp [Version 1.3]
12 All Natural - SI.esp [Version 1.3]
13 All Natural - MMM Patch.esp [Version 1.3]
14 OBGE - Liquid Water.esp
15 Idle Dialogue.esp [Version 1.2]
16 AmbientTownSounds.esp
17 Distant Chapel Bells.esp
18 Rainbows.esp
19 All Natural - Real Lights.esp [Version 1.3]
1A WindowLightingSystem.esp
1B Ayleid Loot EXtension.esp
1C Ayleid Loot EXtension - OOO Dungeons.esp
++ Item interchange - Extraction.esp [Version 0.76]
1D Oblivion Cats v0.2b.esp
1E Oscars_Nicer_Grass-3346.esp
1F Enhanced Economy.esp [Version 5.4]
20 Crowded Roads.esp [Version 2.0]
21 DarNifiedUI Config Addon.esp
22 Display Stats.esp [Version 2.0.1]
23 DropLitTorchOBSE.esp [Version 2.4]
24 sycNiceToMeetYou.esp
25 Quest Log Manager.esp [Version 1.3.2]
26 Streamline 3.1.esp
27 Map Marker Overhaul.esp [Version 3.8]
28 Map Marker Overhaul - SI additions.esp [Version 3.5]
29 Enhanced Hotkeys.esp [Version 2.2]
2A DLCHorseArmor.esp
2B DLCHorseArmor - Unofficial Patch.esp [Version 1.0.6]
2C SM Plugin Refurbish - HorseArmor.esp [Version 1.11]
2D DLCOrrery.esp
2E DLCOrrery - Unofficial Patch.esp [Version 1.0.4]
2F SM Plugin Refurbish - Orrery.esp [Version 1.11]
30 DLCVileLair.esp
31 DLCVileLair - Unofficial Patch.esp [Version 1.0.7]
32 SM Plugin Refurbish - VileLair.esp [Version 1.21]
33 DLCMehrunesRazor.esp
34 DLCMehrunesRazor - Unofficial Patch.esp [Version 1.0.5]
35 SM Plugin Refurbish - MehrunesRazor.esp [Version 1.30]
36 DLCSpellTomes.esp
37 DLCSpellTomes - Unofficial Patch.esp [Version 1.0.0]
38 DLCHorseArmor+SBLite.esp
39 DLCHorseArmor+HorseCommandsSI.esp
3A DLCHorseArmor+Accessories.esp
3B SellHorses.esp
3C DLCThievesDen.esp
3D DLCThievesDen - Unofficial Patch.esp [Version 1.0.9]
3E DLCThievesDen - Unofficial Patch - SSSB.esp [Version 1.0.2]
3F SM Plugin Refurbish - ThievesDen.esp [Version 1.30]
40 Cobl Glue.esp [Version 1.72]
41 Cobl Si.esp [Version 1.63]
++ Cobl Tweaks.esp [Version 1.44]
42 Oscuro's_Oblivion_Overhaul.esp [Version 1.34]
43 OOO-Container_Trap_Instant_Effects.esp [Version 1.33]
44 OOO 1.32-Cobl.esp [Version 1.72]
45 OBSE-Storms & Sound SI.esp
46 Mart's Monster Mod for OOO.esp [Version 0.9.9MB3]
47 Mart's Monster Mod - Shivering Isles.esp [Version 3.7b3p3]
48 Mart's Monster Mod - Additional Enemy NPC Vars.esp [Version 3.7b3p3]
49 Mart's Monster Mod - Looting NPCs & Creatures.esp [Version 3.7b3p3]
4A Mart's Monster Mod - Dungeons of MMM.esp [Version 3.7b3p3]
4B Mart's Monster Mod - More Wilderness Life.esp [Version 3.7b3p3]
4C Mart's Monster Mod - More Passive Wildlife.esp [Version 3.7b3p3]
4D Mart's Monster Mod - City Defences.esp [Version 3.7b3p3]
4E Mart's Monster Mod - Friendlier Factions OOO.esp [Version 3.7b3p3]
4F Mart's Monster Mod - Farm Animals.esp [Version 3.7b3p3]
50 Mart's Monster Mod - Diverse WaterLife.esp [Version 3.7b3p3]
51 Mart's Monster Mod - Diverse Runeskulls Loot OOO.esp [Version 3.7b3p3]
52 MMM-Cobl.esp [Version 1.69]
53 hackdirtabyss.esp
54 Kvatch Rebuilt.esp
55 Kvatch Rebuilt - OOO Compatibility.esp
56 Kvatch Rebuilt Weather Patch.esp
57 thievery.esp
58 thievery - EE patch.esp [Version 4.2]
59 VaultsofCyrodiil.esp
5A Cyrodiil Travel Services.esp [Version 3.0.2]
5B za_bankmod.esp
5C DLCBattlehornCastle.esp
5D DLCBattlehornCastle - Unofficial Patch.esp [Version 1.0.6]
5E SM Plugin Refurbish - Battlehorn.esp [Version 1.30]
5F Lynges_Thieves_Highway-10256.esp
60 DLCFrostcrag.esp
61 DLCFrostcrag - Unofficial Patch.esp [Version 1.0.5]
62 SM Plugin Refurbish - FrostCrag.esp [Version 1.2]
63 Knights.esp
64 Knights - Unofficial Patch.esp [Version 1.1.1]
65 SM Plugin Refurbish - Knights.esp [Version 1.06]
66 Mart's Monster Mod for OOO - Knights .esp [Version 0.9.9MB3]
67 Enhanced Daedric Invasion.esp
68 EDI - Less Monotonous DOT.esp
69 Oblivifall - Losing My Religion.esp [Version 1.42]
6A Oblivifall - Losing My Religion Kvatch Rebuilt.esp [Version 1.0]
6B Oblivifall - Losing My Religion KOTN.esp [Version 1.0]
6C Faregyl.esp [Version 2.0.4]
6D Feldscar.esp [Version 1.0.9]
6E Molapi.esp [Version 1.0.1]
6F Vergayun.esp [Version 1.0.7]
70 Frostcrag Village.esp [Version 1.0.3]
71 Natural_Vegetation_by_Max_Tael.esp
72 Harvest [Flora].esp [Version 3.0.0]
73 Harvest [Flora] - Shivering Isles.esp [Version 3.0.0]
74 Harvest [Flora] - DLCVileLair.esp [Version 3.0.0]
75 Harvest [Flora] - DLCFrostcrag.esp [Version 3.0.0]
76 Cliff_RiskyInnBeds.esp
77 Kyoma's Journal Mod.esp [Version 3.2.0]
78 PersuasionOverhaul.esp [Version 1.43]
79 PersuasionOverhaul_OOO.esp [Version 1.2]
7A Enhanced Vegetation [150%].esp
7B Soulgem Magic.esp [Version 1.0]
7C Toggleable Quantity Prompt.esp [Version 3.1.1]
7D Roleplaying Dialogues.esp
7E Alternative Beginnings.esp [Version 1.2.1]
7F RealisticFatigue.esp
80 RealisticHealth.esp
81 PC Sleep Disrober.esp [Version -03]
82 RealSleepExtended.esp [Version 2.5]
83 Kyoma's Spell Renamer.esp [Version 3.0.1]
84 SupremeMagicka.esp [Version 0.90b]
85 SM_ShiveringIsles.esp [Version 0.90]
86 SM_DLCSpellTome.esp [Version 0.90]
87 SM_OOO.esp [Version 0.90]
88 SM_COBL.esp [Version 0.90]
89 SM_EnchantStaff.esp [Version 0.90]
8A SM_Scrolls.esp [Version 0.90]
8B SM_SigilStone.esp [Version 0.90]
8C Syc_AtHomeAlchemy.esp
8D Lightweight Potions.esp [Version 1.0]
8E Stealth Entrances v1.esp
8F Morrowind Lockpicking.esp
90 RenGuardOverhaul.esp
91 sycHearNoEvil.esp [Version 1.0]
92 sycSHOUT.esp [Version 1.02]
93 Enhanced Grabbing.esp [Version 0.5]
94 Duke Patricks - Combat Archery.esp [Version 5.1.3]
95 Combat Fumbling.esp [Version 06]
96 Duke Patricks - Near Miss Magic And Arrows Alert The Target.esp [Version 7.1]
97 Duke Patricks - Melee Combat NO RECOIL.esp [Version 2.6.7]
98 Sneaking Detection Recalibrated.esp
99 RealisticLeveling.esp
9A immersive_caves_manual.esp
** Cava Obscura - Cyrodiil.esp
** Cava Obscura - SI.esp
** Cava Obscura - Filter Patch For Mods.esp
++ Item interchange - Placement.esp [Version 0.76]
++ Item interchange - Placement for Frostcrag.esp [Version 0.76]
9B [GFX]_Initial_Glow-all.esp
** Visually Enchanted Fire 1.esp
** Visually Enchanted Frost 2.esp
** Visually Enchanted Shock 1.esp
9C Real Hunger, Cobl.esp [Version 1.6.1]
9D Doomguy's Menu Items Tweak.esp
9E DLCHorseArmor+ArmoredImperialHorses.esp
9F Doomguy's SM Spellfire rebalance.esp
++ Cobl Filter Late MERGE ONLY.esp [Version 1.53]
** All Natural - Indoor Weather Filter For Mods.esp [Version 1.3]
A0 Bashed Patch, 0.esp