Windows comatibility (win32), here tests for ... Win98Se: only apache/mysql support Windows 2000 (w2k): all servers okay Windows Server 2003 R2: all servers okay Windows XP Service Pack 2: all servers okay VISTA Ultimate: all servers okay Test cases (fundamentals only): 1) Start Apache/MysQL/Mercury manually 2) Install and uninstall Apache/MysQL/FileZilla FTPD as service (not win98) 3) Switch to PHP4 and back to PHP5 4) phpmyadmin ad hoc test 5) xampp example test For more support please ask/visit our excellent forum: http://www.apachefriends.org/f/ - Kay Vogelgesang, 2008-02-11