After installing Avast Pro and restart the computer, I get no network, windows firewall turned off, appears in aswrdr conflict, the controller protocol tcp / ip is with conflict. How to solve? Thank you.
did you uninstall your previous used AV (none avast) before installing avast?
did you follow that vendors uninstall instructions. http://www.avast.com/en-eu/faq.php?article=AVKB11