Did you ever get ESET to run? I had a 'drive by' once that I thought I avoided, which I did for the most part. I ran all of the scanners I told you to run. None of them picked up anything except ESET, it picked up a bunch. None real serious but stuff that didn't nrrd to be on my machine. ESET and Superantispyware should pick up a lot of stuff. I switched to ESET then. But for your purposes, stay with MSE for now. MSE gets along with most AVs pretty well. I keep Malwarebytes and Superantispyware on my machine all the time and run on demand scans about 3 times a week. I end up picking up a lot of stuff searching for drivers and identifying processes and programs I can't find in the usual places, so I run a lot of scans.
Your scans shows dgxkrnl as the problem, which is DirectX, the dump file blames
Code:
Use !analyze -v to get detailed debugging information.
BugCheck 50, {fffff88004d74608, 1, fffff8800410b66b, 0}
Could not read faulting driver name
Probably caused by : [COLOR=red]memory_corruption[/COLOR]
Followup: memory_corruption
Which is pretty much the same thing
Later in the dump file it is blaming your graphics driver. Just from looking at your dump files a lot, I am beginning to believe it is your graphics card. Can you tell me what PSU you have and if you can swap graphics cards with a friend or something. If you swap cards it will have to be someone with a card your PSU can handle. The fact exists that your system is getting pretty old and a PSU usually loses some power with age unless it is high quality, which Dell does not provide.
The memory corruption we keep getting can be your graphics card memory too. I'll have to see if I can find a test for graphics memory. Why not try going to
Intel® Driver Update Utility and let it scan your system and it will getect amy outdated intel drivers. Then go to
http://www.sevenforums.com/graphic-cards/602-latest-nvidia-forceware-video-drivers-windows-7-a.html and see if there is an updated driver for your card. If there is try and see if you can install it like thiws
http://www.sevenforums.com/tutorials/327414-nvidia-drivers-avoid-problems.html The way Dell does drivers you may not have a C:/Nvidia as you usually do. So you may have to skip that part. But do the rest of it if you can. If you don't have a C:/Nvidia, uninstall it from control panel lie usual, making sure to uninstall the display driver last, but uninstall the PhysX, 3D drivers, Audio and HDMI first. then the Display driver last, then follow this after reinstall
http://www.sevenforums.com/tutorials/83814-drivers-clean-left-over-files-after-uninstalling.html, but only check Nvidia display and Nvidia PhysX and nothing else. then install the new drivers using the tutorial I gave earlier
http://www.sevenforums.com/tutorials/327414-nvidia-drivers-avoid-problems.html. Try to install the new drivers to C:/Nvidia/Display Drivers. None of this should hurt anything. You are fixing to do a clean install anyway.