LinkEX

1) Replace all htmlentities to _htmlentities
2) Around line 50, above // {{{ Session hijack check
ad

function _htmlentities($str) {
return htmlentities($str, ENT_COMPAT, 'UTF-8');
}

3) If you have your site charset windows-1250 - set this in LinkEx Settings

All thanx goes to Yetti :-)