Error After Installing Mambo

I'm getting this message after I install Mambo: "Can\'t create/write to file \'W:\tmp\#sql_116c_0.MYI\' (Errcode: 2) SQL=SELECT ROUND(v.rating_sum/v.rating_count) AS rating, v.rating_count,\na.*, u.name AS author, u.usertype\nFROM mos_content AS a\nINNER JOIN mos_content_frontpage AS f ON f.content_id = a.id\nLEFT JOIN mos_users AS u ON u.id = a.created_by\nLEFT JOIN mos_content_rating AS v ON a.id = v.content_id\nWHERE a.state=\'1\'\n AND a.access <= \'2\'\n AND (publish_up = \'0000-00-00 00:00:00\' OR publish_up <= NOW())\n AND (publish_down = \'0000-00-00 00:00:00\' OR publish_down >= NOW())\nORDER BY f.ordering, a.ordering ASC, a.catid, a.sectionid LIMIT 6" What does that mean? How can I fix it? Search at Google, no result. Can't ask at forums.mamboserver.com cause it's down. Nobody is replying to my threads at the other forums. I hope somebody in here can help me. My Specs: PHP 5.0.1 Windows XP SP 1 Apache 2.0.50 MySQL 4.0.20d