XP Home vs. Pro vs. Embedded

[Richard Miller]

Chipp,
>
> I don't. I typically get rid of Norton or McAffee anti-virus,
> scanning, systemworks stuff. Just kill it all. Then I install the free
> version of AVG anti-virus which has always worked just great for me.
>
> I delete anything and everything which in not directly related to the
> control/performance/use of the PC. I download and install FireFox and
> set it as the default browser.

How does one know what can be deleted and what can't? You say you  
delete everything not related to control/performance/use, but how you  
do know what is what? Is there a program or web site out there that  
provides this information?

Thanks.
Richard