Help, I had a hamachi server before but now hamachi stop working for me so i decided to buy minecraft and i did, i made new bukkit server but it doesnt work. Always when i try to run it it says Failed to bind port. PICTURE: I did added my external ip and 25565 port to my virtual server in my router..i tried it with simple port forward program but still doesnt work it says (in simpleportforward program) FAILED PICTURE: i checked my port if its open in some other websites and with PFportchecker but still doesnt work. PICTURE: HERE IS THE PICTURE OF MY VIRTUAL SERVERS: I tried with server ip=<blank> it worked fine but my friends couldnt join. I tried with server ip=<ipv4> it worked fine but my friends couldnt join. MY SERVER.PROPERTIES: Few days ago i port forwarded it sucessfuly until i changed some plugins and files in my server folder..I checked the planetminecraft "Verify Server Ownership" it worked...but now it doesnt. PICTURE: PLEASE HELP!