It was working fine yesterday. Now i tried in safe mode, checked with no firewall, still doesnt work. I added port 8333 and it is properly opened, but that doesn't fix it.
Whats up with MultiBit HD suddenly no longer connecting?
"java.net.ConnectException: Connection refused: connect"
For these kinds of problems it's best to post in the issue database and continue updates there. It's much easier for us to work with and provides better search options for people with similar issues looking for a solution later.
Here's the link to the related issue:
https://github.com/bitcoin-solutions/multibit-hd/issues/697