help with my pc!

my friends pc wont let ihm sythe
and hes not banned
but he doent know why
if u know u can fix this tell me
he will pay 100k
thx

Unable to connect













Firefox can't establish a connection to the server at www.sythe.org.








* The site could be temporarily unavailable or too busy. Try again in a few
moments.

* If you are unable to load any pages, check your computer's network
connection.

* If your computer or network is protected by a firewall or proxy, make sure
that Firefox is permitted to access the Web.

 

i know why ill tell for fre he is apperntly using proxys

 

how do i not use a proxy?