Hi tfe,
Did you try it manually also. Did you try to ping 95.211.168.38 and what were the ping-results?
polonus
No, I didn’t try manually and don’t know how to do it. Ping and traceroute works fine.
Just scanned computer with Malwarebytes and Kaspersky virus removal tool - they didn’t find any problems.
Ping results:
C:\Users\tfe>ping 95.211.168.38
Haciendo ping a 95.211.168.38 con 32 bytes de datos:
Respuesta desde 95.211.168.38: bytes=32 tiempo=114ms TTL=53
Respuesta desde 95.211.168.38: bytes=32 tiempo=114ms TTL=54
Respuesta desde 95.211.168.38: bytes=32 tiempo=115ms TTL=53
Respuesta desde 95.211.168.38: bytes=32 tiempo=114ms TTL=53
Estadísticas de ping para 95.211.168.38:
Paquetes: enviados = 4, recibidos = 4, perdidos = 0
(0% perdidos),
Tiempos aproximados de ida y vuelta en milisegundos:
Mínimo = 114ms, Máximo = 115ms, Media = 114ms
Just right click on the avast user interface, go to “actualizar” and click one of the sidescreens with “engine and virus definitions” and the other “programa”.
polonus
Yes, I tried it but no success - can’t connect to the server:
Then I suugest you go here: http://forum.avast.com/index.php?topic=53253.0
Provide us with these logs, and I will ask jeffce (a qualified malware remover) to inspect your logs,
polonus
Polonus, the problem persists since yesterday on 2 computers. I already scanned both computers with Malwarebytes, Kaspersky Virus removal tool, Spubot search and destroy. I also changed the IP address - doesn’t help. I tried to open Avast websites in safe mode - can’t open.
I just switched on my 3rd computer which was off for 3 weeks. The same problem. Avast doesn’t update and I can’t open Avast websites, except forum.
I tried to run OTL.exe, but Avast shows a warning message and then closes OTL.exe
Panda cloud-free and
Immunet Free Antivirus, security best to give me. Well they work together. See the results of this test. http://www.av-test.org/en/tests/home-user/marapr-2012/. Really free Panda Cloud is excellent.
Thanks to avast boycott, led me to become familiar with two wonderful anti virus. 
soroush, did you solve the problem with blocked IP in Avast?
@tfe: Please continue with your own topic to solve your problem: http://forum.avast.com/index.php?topic=99136.0
guys,there is no boycott from avast…its a enforced law on all [well if not all then on many of them] AV companies…please try and understand :-*
and also we already discussed about some drawbacks on av-comparatives and av-test:
http://forum.avast.com/index.php?topic=98877.msg789581#msg789581
and lets not forget the AV-comparative result given here:
http://chart.av-comparatives.org/chart3.php
did avast US product? because this restriction imposed by the US i am from Sudan and now i have to found another anti-virus software 
Why is n’t there any OFFICIAL STATEMENT about avast restriction
Banning people without any statement is not routine
examples:
www.pctools.com/embargo
AVAST Software a.s. is currently blocking access to port 80 (that effectively means websites and updates of avast! software) of its servers from following countries: Iran, Sudan, Cuba, Syria, North Korea and Burma/Myanmar. AVAST Software a.s. [and its subsidiaries/sister companies] must not provide any services in these countries because of policies and regulations that are applicable to AVAST Software a.s.Blog and forum are available, because we hope they are information source/personal communication service and because of this they have exclusion from these regulations.
We are sorry for any caused inconvenience.
If your enmity with the Iranian people and Iran’s repressive government.
We Iranians are dealing with a variety of filtering websites that our government imposes.
Iranians can hurt you
Avast disgusting sorry for you and your company.
You know avast, if Iranian people want to use your poor software, they can update their antivirus without any problems by a thousand ways, but they really don’t like your restriction, so wait for answers from them …
IRANIANS, use some other softwares like NIS, KIS, ESS, BIS and … without any problems for updating definitions ! …
what the big deal ??? still many people use avast…and everybody love it. 1 thing i dont understand…if u are a avast disliker why should u come here and get your finger burnt ???
@ true indian,
The best way to not get your own fingers burnt and to avoid further confrontation is to not reply to a comment that needs no reply.
Doing so you are supporting the spread of duqu, flame, etc… You, the av industry, should fight against it as you are risking all of us, not only the boycotted countries.
Maybe you should contact and blame those that are responsible. It isn’t Avast or any of the other Security Companies.
Blame the politicians in the countries that imposed the restrictions and, the politicians in the boycotted countries that forced these actions.
You should be able to find them on a lot of sites, like MajorGeeks.com
Such as this link: http://majorgeeks.com/avast_Virus_Definitions_d5150.html (defs as of June 20)
The alternative is run thru a Proxy that is not based in your country.