Here are some websites that have detection rate tests against real viruses, (note all antivirus products in those test are at their highest scan setting, with herustics on max.)
http://www.av-comparatives.org/
(click on Comparatives on the left)...
You can thank Lucas Arts for that, they forced Obsidian to release the game WAY early and Obsidian had to cut an entire chapter from the game to meet schedule.
You did run all the programs stated in the OP in safe mode, correct?
Also, have a look at A2, I have found it handy.
http://www.majorgeeks.com/download4281.html
Also, that Spyware Nuker has had a bad past it seems:
http://spywarewarrior.com/rogue_anti-spyware.htm
It does many questionable things,
Kaspersky does not like it:
http://nwn2forums.bioware.com/forums/viewtopic.html?topic=535073&forum=116&highlight=securom
Also stays on your system even after you remove all of the games that use it (from thread above):
Wikipedia about Securom7...
Greetings,
I am posting this to help raise awareness of DRM that crosses the line. If you are thinking of purchasing NWN2, think again, please read about just a few of the problems that SecuRom 7 have caused legit (if the post is on the official NWN2 forums, the person bought the game, for a...
Make a miniimage using Alcohol 120%'s trial (this game uses SecuRom 7, see Alc's forums for a guide on making a miniimage of it), then mount it using Daemon Tools or the now freeware Alcohol 52%.
The best way to help with ram usage is to remove non needed apps from starting up upon startup.
use something like Startup Control Panel to see the items in the startup and to remove them from startup. To cross check items to see if they are needed, check out Sysinfo.