Just upgraded from 8.6.6 to 8.7.0 and mbstring doesn't work. Says it's loaded ok in phpinfo, but i get this php error on first mbstring call. Same apache and php configs as 8.6.6, haven't changed anything. [Mon Dec 03 16:48:18.802288 2012] [:error] [pid 3068:tid 344] [client 192.168.x.x:51919] PHP Fatal error: Call to undefined function mb_internal_encoding() in C:\\UniServer\\www\\xxx\\include\\functions.php on line 17, referer: https://xxx.yyy.com/index.php Thanks for your help!! I love Uniform Server! Andrew