Probleme beim Starten

Hi erstmal,
ich versuche andauernd mein Server zustarten,aber jedesmal kommt der Fehler in der Konsole:2014-07-12 11:59:12 [INFO] Starting [lexicon]Minecraft[/lexicon] server on *:25565
2014-07-12 11:59:12 [WARNING] **** FAILED TO BIND TO PORT!
2014-07-12 11:59:12 [WARNING] The exception was: java.net.BindException: Address already in use
2014-07-12 11:59:12 [WARNING] Perhaps a server is already running on that port?
2014-07-12 11:59:12 [INFO] An unknown error occurred while attempting to perform this command
2014-07-12 11:59:12 [INFO] An unknown error occurred while attempting to perform this command
2014-07-12 11:59:12 [INFO] An unknown error occurred while attempting to perform this command
2014-07-12 11:59:12 [INFO] An unknown error occurred while attempting to perform this command
Könnt ihr mir dabei irgendwie helfen? Wäre echt nett