How Come I Cannot Install Kaspersky Antivirus 2009?

i tried installing it but then it says i need to unistall some program,
the program is called AVG8, anyone have a clue for this?

Does that button activate, after the scan is complete or what because even when i right-click the suspicious file it detected..all i get it delete from list. will it delete it from my computer though?

Does that button activate, after the scan is complete or what because even when i right-click the suspicious file it detected..all i get it delete from list. will it delete it from my computer though?