avast antivirus that block firewall

Hello
What can I do, my antivirus blocks Internet :cry:

is this a new avast install?

what avast version do you have free / pro / Internet security

do you have any other security programs installed…if so what?

1.yes
2.free
3.no

Do you have a firewall ?

did you remove your previous used AV according to that vendors uninstall instructions http://www.avast.com/en-za/faq.php?article=AVKB11#artTitle

yes.

OK within the firewall remove all references to Avast
Then when asked by the firewall allow Avast

where to walk?
Show me the pictures please

we do not know what firewall you have…
delete all avast rules in your firewall, reboot computer and create new rules when firewall ask

I do not know where to look: |

What firewall do you have ?

Print 1:
http://i.imgur.com/nSDy1Rh.png

Print 2:
http://i.imgur.com/GodvCg2.png

Print 3:
http://i.imgur.com/Ww6G4uL.png

if I click on “Usa impostazioni consigliate” I appears this error:
Print 4:
http://i.imgur.com/fjwThPN.png

OK that is windows firewall

Download Avast Uninstall Utility to your Desktop.
Download the correct version of Avast
Avast Free
Avast Pro
Avast Internet Security
Avast Premier
Disconnect from the net
Uninstall Avast via control panel

[]Run the uninstall tool and accept the reboot to safe mode
[
]Once complete reboot your system
[*]Reinstall Avast