Memory usage on my CPU
Using an nForce4 motherboard
Please uninstall the nForce4 Firewall. Read: SourceForge.net article on the nForce4-related memory leak
Norton Internet Security - At least version 2006
Appears to cause ever increasing memory usage unless disabled. See Here
Note: Make sure that you are aware of some applications known to cause severe problems such as application crashes and high CPU usage, Click here. Also, many users have trouble with excessive memory usage that's caused by Vuze, here are some rules of thumb how to reduce the required memory size, click here.