Welcome to Bleeping Computer.
No need to worry, because this site is, "for real".
Bleeping Computer is geared towards the novice user, and Grinler tries to make his tutorials as easy to understand, as possible, so you shouldn't have any problems with the AntiVirus 2009 removal instructions.
If you do have any questions, don't be afraid to ask, as that's what we're here for.
Please take the time, to browse the New User Orientation
forum, to help familiarize yourself with how the board works.
If you have any questions about how to use this site, this forum will probably answer them.
Also, don't forget to check out the Tutorials
There's a lot of very useful information, in there.