chrome installation with Avast

Hello,
I am reunning avast 8 version. I refused the installation of Chrome but now every time I start my computer I get a window trying to complet the google chrome installation.
Anyone knows How to get read of it?
Thanks

This is, I suspect related to the “Explore Chrome” window on boot that is occurring with those of us who missed unchecking the box.

I actually called support on this matter. They didn’t even know about it and wanted to look at my machine remotely to check for malware!!!

I told them to get … (censored).

Maybe in the future this will be helpful :

http://www.ghacks.net/2013/11/27/unchecky-protects-unwanted-third-party-offers-software-installations/