Moodle 2.2.2+ requires
PHP 5.3.2, MySQL 5.0.25. The Windows installation of Moodle 2.2.2+ ( using
XAMPP v1.7.4, shipped with Apache 2.2.17,
PHP 5.3.5 (VC6 X86 32bit) + PEAR, MySQL 5.5.8 ). This MySQL edition does not run on W2k, but just on WinXP

. On W2k, MySQL 5.5.8 crashes at start, by the error message: