我在安装一个预算项目库管理系统时，SQL Server 安不上，前两天还安上了，卸载后现在安就不行了。日志里是这样显示的，哪位高手给想个办法，小可在此不胜感激，因为我这两天等着用呢，谢谢了啊！！！
1、计算机运行信息：
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MachineName : LEGEND-AQIC0T9T
OSVersion : Microsoft Windows NT 5.1.2600.0
OS Name : Windows XP Home Edition Service Pack 2
TimeStamp : 2005-7-18 14:20:32
FullName : FSI, Version=2005.6.23.25478, Culture=neutral, PublicKeyToken=null
AppDomainName : FSI.exe
ThreadIdentity :
WindowsIdentity : LEGEND-AQIC0T9T\Owner
2、异常信息：
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Type : System.Exception
Message : 判断是否有此Sql Server数据库时出现错误。
Source : FSI
TargetSite : Boolean IsHaveSqlDatabase(System.String, System.String, System.String, Boolean, System.String)
StackTrace :    at FSI.Util.Database.InstallAppDatabase.IsHaveSqlDatabase(String sqlServerName, String userName, String password, Boolean useIntegrated, String databaseName)
  at FSI.Forms.Main.LoginForm.btnInstallSqlDB_Click(Object sender, EventArgs e)
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Type : System.Exception
Message : 判断指定名称的数据库是否存在时出现错误。
Source : DatabaseAdmin
TargetSite : Boolean IsHave(System.String)
StackTrace :    at Miaojun.AppUtilities.DataBase.SqlServerAdmin.SqlServer.IsHave(String databaseName)
  at FSI.Util.Database.InstallAppDatabase.IsHaveSqlDatabase(String sqlServerName, String userName, String password, Boolean useIntegrated, String databaseName)
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Type : System.Data.SqlClient.SqlException
Message : SQL Server does not exist or access denied.
Source : .Net SqlClient Data Provider
TargetSite : System.Data.SqlClient.SqlInternalConnection GetConnection(Boolean ByRef)
StackTrace :    at System.Data.SqlClient.ConnectionPool.GetConnection(Boolean& isInTransaction)
  at System.Data.SqlClient.SqlConnectionPoolManager.GetPooledConnection(SqlConnectionString options, Boolean& isInTransaction)
  at System.Data.SqlClient.SqlConnection.Open()
  at Miaojun.AppUtilities.DataBase.SqlServerAdmin.SqlServer.IsHave(String databaseName)