Connection failed after 4 retries...

Hello,i really want to play GMod MP…but this happens all the time i didnt play MP for few months

http://imageshack.com/a/img841/8096/cn1y.png

How can i fix this,please…Every time i choose a server and i want to click to see player list…its blank all the time…and when i try to join any server it says “Connection failed after 4 retries”…I am very sorry if my english is bad…And please reply fast!

Thanks.

[editline]10th May 2014[/editline]

ANY HELP??!?!?!?!

http://forum.facepunch.com/showthread.php?t=491279&p=8984054&viewfull=1#post8984054