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Y'all do a great job with the site. Been a decade and it keeps getting better. Thanks

Isn't this an Oblivion mod?

I like Supreme Magicka. Changes the mechanics for spells and enchanting items but is far from being overpowered. Can summon up to three creatures at higher level proficiency. Adds some new spells from the older games. Check it out, does a ton of stuff, well.

What mods are you running? Are you sure you have all the required tools/programs/mods for those mods? Have you done all the required tweaks to whatever may be needed for the mods? Have you sorted your load order and done your archive invalidation? But most importantly, what mods?

Well a thought is CTRL W closes the tab/window you are on. It's also the combo for sneaking while moving forward. Thinking this is related somehow. Not sure how to fix it but it might give you an idea how to proceede. Are you playing in windowed mode or something?

Aside from iNumHWThreads=2 I don't think i have those even in my .ini file. Are they from a mod or is it something you added for some reason? My rig is pretty similar to yours and I don't get that problem in my game.

Excellent. A good stability program/mod/thingy I use is Oblivion Stutter Remover found here:http://www.nexusmods.com/oblivion/mods/23208/? Instead of a crash every hour or so now I can play for hours and hours in a session without one. It takes time to read the manual and understand what you are doing though. Worth the effort. I took my 200 mod game and made it rock solid stable.

Everyone needs Ruined Ruins and Trails of Cyrodiil.

I really like Loth's Blunt Weapons and Armamentarium Complete. But the king of my list is Trails of Cyrodiil. -And get Ruined Ruins. Tis epic.

Low Poly Grass mod might be of use too.

There is a mod called Oblivion Crash Prevention System. Some people like it, some say it causes problems with your game. It's something I used a looooong time ago and it did prevent some crashes. But I think the best bet is to figure out the problem and correctly take care of it. Could work as a bandaid in the meantime. Make sure you read the description and comments well before jumping on it though. Been years since I used it and it may or may not work anymore.

Can't get this to post for some reason... The UI mod likely edited your .ini file. Those edits were wiped when you blew it away and it installed a new one. Explains why you crashed on launch now. Didn't realize it was currently modded, sorry about that. You'll have to reinstall your mods or at the very least, that UI one. Appologies. User Account Control. Think it may have started with Vista and is in 7 and I presume 8 as well. You can find out how to set it up/turn it on or off, here: http://windows.microsoft.com/en-us/windows/turn-user-account-control-on-off#1TC=windows-7 "User Account Control (UAC) can help prevent unauthorized changes to your computer. UAC notifies you when changes are going to be made to your computer that require administrator-level permission. These types of changes can affect the security of your computer or can affect settings for other people that use the computer. We recommend that you leave UAC on to help make your computer secure." I'm not keen on the exacts of it but it is a security feature that is pretty annoying. I've read that it can cause issues with games. Don't know if that's true or not. After a fresh install of Windows it's just about the first thing I "fix" by turning it off. The constant popups when you install something, move something, etc. get on my nerves. I've got plenty of security without it. Lots of people turn it off. You might take a crack at that. I'm about out of ideas, amigo. Good general advice is grab CCleaner and have it clear out your registry. Tis safe, been using it for close to a decade I'd wager. You can try updating your drivers. Oblivion back in the day was real picky about sound drivers in particular. I do know that way back when, on my old discs version, I had crashes on area transitions and combat and updating the sound driver did fix that. Worth a shot. If I'm understanding correctly Oblivion is trying to access memory that is reserved for something else, somewhere, somehow. So like something that is supposed to be for windows or whatnot and not something like say a bad stick of RAM. Makes me think it's a bad install. Maybe a disk has got scratched or, heck, dunno. At this point I'd say for whatever reason, your game isn't installing correctly. Disabling UAC may help with that, but I'm grasping at straws now. I'm not programmer and don't work in the tech field. More of a closet enthusiast at best. Perhaps someone else will chime in with some ideas here and soon. For my money, this is the best TES game made, the only one I still play and very worth the effort to get it working correctly. Wish I coulda helped you out on this one. I'll keep thinking on it though and post if I find something of use. Good luck.

And you deleted the one in the My Documents folder, not the one in the Steam folder, right? Is your game currently modded? I could see the game blowing up on launch if it's modded and those mods edited the ini and now those edits are gone. Consider uninstalling. Then go into your Steam and My Documents folders and manually remove all the crap that gets left behind when you uninstall. Crap that gets left behind and used again when it reinstalls if you don't go through and blow it all away by hand after. All kinds of junk remains after you uninstall this game. If you had an issue with something, and then reinstalled without taking out the trash manually afterward, this could be your issue. Don't tweak your .ini files like tweakguides recommends. UAC disabled? I'll keep thinking.

Try deleting the Oblivion.ini file in My Documents. Launch the game after and it'll create a new one. If it's corrupt for some reason, unlucky install, bad modding experience, etc. a fresh copy will do the trick. Works for a lot of people with this error. Probably it since your other games aren't causing it. Good luck.

Armamentarium Complete You need both of the main files for it and it's here on the Nexus.