Hello all, please help me with cabal updating.

When i run:

cabal update –v3

I get this message:

Downloading the latest package list from hackage.haskell.org

Sending:

GET /packages/archive/00-index.tar.gz HTTP/1.1

Host: hackage.haskell.org

User-Agent: cabal-install/0.10.2

Creating new connection to hackage.haskell.org

cabal: failed

Thanks in advance, Nadav