What is going on here ?

On Google Chrome I keep getting this message in a pink background

avast! Online Security 9.0.2011.70
Avast Browser Security and Web Reputation Plugin. Permissions Visit website
Warning:
This extension failed to redirect a network request to data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAFElEQVR4XgXAAQ0AAABAMP1L30IDCPwC/o5WcS4AAAAASUVORK5CYII= because another extension (AdBlock) redirected it to data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==.
ID: gomekmidlodglbbmalcneegieacbdmki
Inspect views: background page

See here:

http://forum.avast.com/index.php?topic=143517.0

Thanq for the quick reply. i appreciate this 8)