first you need to go to this website fix it. Once on this website there should be red letter saying "Important update to mumble 1.2.3a" Go in there and read the directions from there. Hope this helps <object class="emojione" data="https://resources.enjin.com/1489581540/themes/core/images/emojione/svg/1f600.svg?0" type="image/svg+xml" standby=":d">:d</object>