sql2008 安装时数据库引擎服务失败
装了几次了，每次都会出现提示“系统找不到指定的路径”，点掉后可以完成安装，但数据库引擎服务安装失败。 源文件用的是iso文件，用DAEMON Tools 装载镜像安装的。 源文件地址和安装地址均没有中文字符。以下是安装log，请各位帮忙看看怎么回事..

Overall summary:
  Final result: SQL Server 安装失败。若要继续操作，请调查失败原因，更正问题，卸载 SQL Server，然后重新运行 SQL Server 安装程序。
  Exit code (Decimal): -2068643839
  Exit facility code: 1203
  Exit error code: 1
  Exit message: SQL Server 安装失败。若要继续操作，请调查失败原因，更正问题，卸载 SQL Server，然后重新运行 SQL Server 安装程序。
  Start time: 2010-05-19 17:13:23
  End time: 2010-05-19 17:19:13
  Requested action: Install
  Log with failure: C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log\20100519_171237\Detail.txt
  Exception help link: http%3a%2f%2fgo.microsoft.com%2ffwlink%3fLinkId%3d20476%26ProdName%3dMicrosoft%2bSQL%2bServer%26EvtSrc%3dsetup.rll%26EvtID%3d50000%26ProdVer%3d10.0.1600.22%26EvtType%3d0x5D9A8C61

Machine Properties:
  Machine name: PC-201004101626
  Machine processor count: 2
  OS version: Windows XP
  OS service pack: Service Pack 3
  OS region: 中华人民共和国
  OS language: 中文(中华人民共和国)
  OS architecture: x86
  Process architecture: 32 位
  OS clustered: 否

Product features discovered:
  Product Instance Instance ID Feature Language Edition Version Clustered 
  Sql Server 2008 XYCSSQL MSSQL10.XYCSSQL 数据库引擎服务 1033 Enterprise Evaluation Edition 10.0.1600.22 否  
  Sql Server 2008 XYCSSQL MSSQL10.XYCSSQL 数据库引擎服务 2052 Enterprise Evaluation Edition 10.0.1600.22 否  
  Sql Server 2008 XYCSSQL MSSQL10.XYCSSQL SQL Server 复制 1033 Enterprise Evaluation Edition 10.0.1600.22 否  
  Sql Server 2008 XYCSSQL MSSQL10.XYCSSQL SQL Server 复制 2052 Enterprise Evaluation Edition 10.0.1600.22 否  
  Sql Server 2008 XYCSSQL MSSQL10.XYCSSQL 全文搜索 1033 Enterprise Evaluation Edition 10.0.1600.22 否  
  Sql Server 2008 XYCSSQL MSAS10.XYCSSQL Analysis Services 1033 Enterprise Evaluation Edition 10.0.1600.22 否  
  Sql Server 2008 XYCSSQL MSAS10.XYCSSQL Analysis Services 2052 Enterprise Evaluation Edition 10.0.1600.22 否  
  Sql Server 2008 XYCSSQL MSRS10.XYCSSQL Reporting Services 1033 10.0.1600.22 否  
  Sql Server 2008 XYCSSQL MSRS10.XYCSSQL Reporting Services 2052 10.0.1600.22 否  
  Sql Server 2008 MYSQL MSSQL10.MYSQL 数据库引擎服务 1033 Enterprise Edition 10.0.1600.22 否  
  Sql Server 2008 MYSQL MSSQL10.MYSQL