这个错误信息是怎么回事。Server Error in '/' Application.

Server Error in '/' Application.
--------------------------------------------------------------------------------

The resource cannot be found.
Description: HTTP 404. The resource you are looking for (or one of its dependencies) could have been removed, had its name changed, or is temporarily unavailable. Please review the following URL and make sure that it is spelled correctly.

Requested Url: /default.aspx


--------------------------------------------------------------------------------
Version Information: Microsoft .NET Framework Version:1.1.4322.573; Version:1.1.4322.573

我人软件环境是ASPNET 1.1 SQL2000 装载本地电脑上。