GuyFaux

It's not in C:\Program Files\Antivirus 2009?

If you're talking about how you can't find the keylogger, forget about it. Don't believe anything Antivirus 2009 says.

If the antivirus 2009 folder there, boot your computer in safe mode (in XP, I think you hold down or tap F8 on the startup screen before windows boots.

Choose Safemode without networking, just in case. This will bar you from using the internet, but you won't need it.

The Anti-Virus 2009 uninstall file is a hilarious little window that says "It's already installed!" So obviously you can't do that. Instead, delete the entire program folder for Anti-virus 2009. Make sure it's really deleted, and not still sitting in your recycle bin.

Then go into Start> Run > regedit. Search all keys and values for Antivirus 2009 and delete or erase them.

Restart in normal mode, and the program should be gone. You'll be relieved to find a "Cannot find Antivirus2009.exe!" or whatever, because the computer is set to run the program at startup, but the program is not there. :) But you'll still have the red X. Fortunately, Antivirus 2009 can no longer prevent you from installing AVG.