How Do I Turn Off Norton Insight Background Task?

Can anyone tell me how to prevent the Norton Insight background task from running daily on my PC?  I've disabled the Insight Protection (Settings | Computer Settings | Insight Network | Off) but when I look under the Norton Tasks to check the background tasks it shows that Norton Insight is still running on a daily basis for about 3 minutes.  I want to turn the Insight Network off because it appears that it's briefly hi-jacking my system - my PC either freezes or slows down dramatically while ccsvchst.exe is running in the background.

 

I've also disabled Norton Community Watch (Settings | Miscellaneous Settings | Community Watch | Off) and Automatic LiveUpdates (Settings | Computer Settings | Updates | Automatic LiveUpdate | Off) and they don't appear to be the culprits.  I run Norton Insight (Application Ratings) periodically to check for trusted files - my scan performance profile is set to Standard Trust and it's currently reporting that 71% of my applications are trusted.

 

It may be coincidental, but the problem with ccsvchst.exe affecting my system performance seemed to start when I updated to NIS 2010 v 17.6.0.32.  I used to have a similar problem with NIS 2009 but the upgrade to NIS 2010 seemed to solve this problem until v 17.6 was released.

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MS Windows Vista Home Premium 32-bit SP2

NIS 2010 v. 17.6.0.32

Internet Explorer 8.0

Intel Core2Duo CPU T5550 @ 1.83 GHz, 3.0 GB RAM, NVIDIA GeForce 8400 GS