[Windows] about web sites

verdangilte

please help me !
i cant log on to any antivirus web sites !
it always say page error !
take an example , www.avast.com
my fren can log on
but i cant !

it also say that my network connection !!
but i can log on other web sites !!
how can i fix it ?
i need to download antivirus to use !!!

verdangilte

still cant !!
how ??

verdangilte

i dont know !
some of my fren say that may be is my router problem !!
but i dont know how to solve it !!

verdangilte

may be !!
because i use desktop and laptop to online !!
i can log on to antivirus web site when i at university with the same laptop !
but at home , i cant !!