首页时不时的提示下载，困恼我很久了，请求高手支援！
0
悬赏园豆：20
[已关闭问题]
问题：首页时不时的提示下载；
频率：随机，无规律，几分钟后又自动不提示下载了。
其它：
1》IIS，有两站点，应用程序池不同；
2》A站点提示下载时，B站点不提示；
3》只有A站点经常提示下载；
日志如下：
事件类型: 警告
事件来源: ASP.NET 2.0.50727.0
事件种类: Web Event
事件 ID: 1309
日期: 2009-8-14
事件: 9:37:18
用户: N/A
计算机: MYFRSERVER
描述:
Event code: 3005
Event message: An unhandled exception has occurred.
Event time: 2009-8-14 9:37:18
Event time (UTC): 2009-8-14 1:37:18
Event ID: 77357a957c7e4e079e23b3157a28e67b
Event sequence: 11949
Event occurrence: 8
Event detail code: 0
Application information:
Application domain: /LM/W3SVC/1/ROOT-1-128946851758230677
Trust level: Full
Application Virtual Path: /
Application Path: E:\web\web\web\
Machine name: MYFRSERVER
Process information:
Process ID: 5072
Process name: w3wp.exe
Account name: NT AUTHORITY\NETWORK SERVICE
Exception information:
Exception type: SqlException
Exception message: Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding.
Request information:
Request URL: http://www.MYFR.com/Default.aspx
Request path: /Default.aspx
User host address: 124.126.235.70
User:
Is authenticated: False
Authentication Type:
Thread account name: NT AUTHORITY\NETWORK SERVICE
Thread information:
Thread ID: 15
Thread account name: NT AUTHORITY\NETWORK SERVICE
Is impersonating: False
Stack trace: at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)
at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)
at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)
at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
at System.Data.SqlClient.SqlDataReader.SetMetaData(_SqlMetaDataSet metaData, Boolean moreInfo)
at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
at System.Data
