Cyask! info: MySQL Query Error

Time: 2010-9-9 5:23pm
Script: /zhidao/question.php

SQL: SELECT qid,title FROM cyask_ques WHERE sid1=1 ORDER BY answercount desc,clickcount desc limit 6
Error: Error writing file 'C:\WINDOWS\TEMP\MY3279.tmp' (Errcode: 28)
Errno.: 3

Similar error report has beed dispatched to administrator before.