<font color='black' size='2' face='arial'>I<font size="2"><font face="Arial, Helvetica, sans-serif"> run myth on a debian based distro, SimplyMepis. I've run into this exact same problem. I use the debian multimedia repository for updates to myth and noticed that these two versions of libmyth were installed.<br>
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It's not the first time I've run into an issue like this. For me, both times were a result of a installed myth plugin that was dependent upon the older libmyth that was causing the issue. I removed the plugin, reapplied the update and the libmyth version conflict went away.<br>
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