EDIT TWO: For all those concerned, for all those encountering a problem of the same kind: After many many many mod combinations, disabling and re-enabling, I've traced the problem to Realistic Lighting.esp. Removing it, and refining my load order fixed most all of my CTDs. Any others are new mods recently added, or background programs mucking about. As a further aid to those concerned, I'll add my latest load order. Edit 3: I've also been told my SkyRE plugins were loaded in the wrong order, causing huge problems with JaySus swords. Whoops. Also, my SkySE is returning a large amount of errors at the start of the papyrus log. Unsure what to do about that. (actually, I'll post a screenshot.) Well, I'm enlisting help after two days of general mussing about, attempting to dissect and repair the cause, to no avail. So I've come for some help. I've tried most of the usual suspects, the normal Skyrim V-Sync and sound crashes, fresh saves and reading (read: failing at reading) the papyrus log for ideas, no real avail. I'm just not made for this stuff. So I hoped to conscript some of you lot, who actually know what you're doing. I'll get on with posting ever possible bit of relevant information now. Running Skyrim on STEAM with both Dawnguard and Hearthfire. Launching with Skyrim Script Extender version 1.5.11. Rig: Windows 7 x64 Intel Core i7 @2.67 GHz 8 GB RAM nVidia GeForce GTX 550 Ti, ~1 GB(?) VRAM. (I've forgotten, sadly.) Creative SoundBlaster X-Fi sound card. Modlist: SKYSE Plugins: SKSE Version: 0.1.5.11 SKSE_Elys_Uncapper.dll Version: 1.14.2.1 Recognized Plugins (Green for Active, Red for not.) Skyrim.esm Update.esm Dawnguard.esm HearthFires.esm WARZONES - Civil Unrest.esm - Thought initially to be the cause, disabled for clean save, wasn't. JSwords.esm Active HighResTexturePack01.esp HighResTexturePack02.esp - Both replaced by NebuLa's Skyrim HD. breezehomelightfix.esp chopping_block_wood_fires.esp immersive thunder.esp magiclightshadows.esp Realistic Lighting.esp StaticMeshImprovementMod.esp Birds.esp CalienteVanillaArmorTweaks.esp Chesko_WearableLantern.esp jbs_weight_overhaul_complete.esp ktxcompleteskyforge.esp lt_camping.esp morevillageanimals.esp new guards.esp whistle.esp Auto Unequip Ammo.esp JSwordsDistributionBalancePlugin.esp Beautiful Riften.esp Beautiful Whiterun.esp Elvenwood.esp RealisticWhiterun.esp Ash Pile Expiration.esp Better Dynamic Snow.esp dense vegetation.esp DynamicMerchants.esp faster vanilla horses.esp distant detail.esp dD - Enhanced Blood Main.esp dD-Dawnguard-EBT Patch.esp - Preliminary attempts at dissecting the Papyrus log led me to think these conflicted with another blood mod. Tried separate games with either running, and neither running. Still crashing. Populated Cities 2.esp Better Hunting.esp dD - Realistic Ragdoll Force - Realistic.esp magicduel.esp The Dance of Death.esp crimson tide - blood.esp - Aforementioned 'other blood mod'. SkyRe_Main.esp SkyRe_Combat.esp SkyRe_EncounterZones.esp SkyRe_EnemyAI.esp SkyRe_EnemyScaling.esp SkyRe_StandingStones.esp UFO - Ultimate Follower Overhaul.esp UFO - Dawnguard AddOn.esp mjollfacelift-blondehair.esp FollowerWander2.esp - I didn't know until JUST now that this conflicts with UFO. Will update on the matter. Alternate Start - Live Another Life.esp - At one point, I was crashing at Helgen just prior to Alduin's shout. This amended the issue. Replays showed no such issue. SkyRe_Races.esp Purewaters.esp Unrecognized Plugins (Or; second verse, same as the first.) bome-divorce.esp slightly reduced npc greetings.esp PurewatersDG.esp FollowerWander2Serana.esp I should mention now that I haven't done a BASHED patch, although I probably should. Papyrus Log: EDIT: For those who would rather not read the whole thread: I've tried a clean GPU driver install, nothing. I've tried a clean save, nothing. I've tried BASH patching, nothing. I've several papyrus logs that I cannot read, and further consideration seems to have the crashes tied to combat events. Either sounds, or decals, or scripts, or whatever. I couldn't approach Whiterun until I'd gotten past the Companions killing the giant. I couldn't go southeast of Whiterun because NPC guards fighting wolves crashes me. I frequently crash immediately after hitting someone in combat, or the instant I go to use a Shout. (Unrelenting Force sometimes crashes me on trigger, period.) Although I've never had a combat-related crash *inside*,