Well, I don't see that much difference between yours and mine; generally we have the same services disabled.
>> However you might want to go to the Administrative Tools applet, open the Services profile, and right click on this service and disable it.
Automatic Updates: %SystemRoot%\system32\svchost.exe -k netsvcs (autostart)
Personally I don't like the idea of updates being checked for or installed automatically. I don't think it's a source of slow down problems for you, unless they are intermittant.
>> while you're in Administrative Tools, open the Event Viewer and look at System Events. Do you see a lot of red error entries there?
Am I correct in thinking you have installed NAV 2003 since your last problem with NAV? I see it as a process but not as a startup, so you must have it and just about everything else unchecked in msconfig > startups.
>> And when you open the Task Manager (ctrl-alt-del) > Processes, do you see any processes, like Explorer.exe consuming more than a few % cpu time when at idle?
>Click the Performance tab also, what do you see for cpu usage and Page File usage? How much Total Memory and how much "Available"?
>Click Networking. What percent Network utilization for your connection type?