I just encountered this notice on my computer: NVidia Firewall is detected on my computer, which is known for system and application crashes, and high CPU usage.
This is intersting, because system crashes and high CPU usage are precisely the things that have chronically affected my computer. If I’m on the computer for a long time, it can happen repeatedly within the same day. I’ve had this computer for 2.5 years.
I put my computer together myself, without really knowing what I was doing. I couldn’t identify the problem; nor could my computer savvy friend or the computer repairshop down the street. This might be the medicine. Now, I just have to find the software and blammo! Maybe that will solve the problem. Of course, maybe not.
Natural Causes 
Still haven’t found anything, but apparently i’m supposed to look for nvappfilter.dll instead.
Jon tells me I need to download the NVidia chipset drivers, specifically for the motherboard? I will be able to find these at the NVidia website. My motherboard is the Asus A8N-E.
http://www.asus.com/products.aspx?modelmenu=1&model=455&l1=3&l2=15&l3=171
1. uninstall nvidia shit.
2. reinstall ethernet driver
3. do not push ok if asking to install nvidia firewall or nv firewall.
4. i will be fine.
so says jon, and he knows his shit