我正在尝试在安装了Net Framework 2.0和3.5的Windows XP上安装Microsoft SQL Server Express 2008，并在日志中发现此错误。我不知道这是怎么发生的。我已验证 HKLM\软件\Microsoft\Net 框架设置\NDP\2.0.50727\安装值是否0x1
01/13/2014 15:45:06.578 ======================================================================
01/13/2014 15:45:06.578 Setup launched
01/13/2014 15:45:06.578 Attempting to determine media source
01/13/2014 15:45:06.578 Media source value not specified on command line argument.
01/13/2014 15:45:06.578 Setup is launched from media directly so default the value to the current folder.
01/13/2014 15:45:06.593 Media source: c:59da7d719009b7aa270f
01/13/2014 15:45:06.593 Attempt to determine media layout based on file 'c:59da7d719009b7aa270fmediainfo.xml'.
01/13/2014 15:45:07.078 Media layout is detected as: Core
01/13/2014 15:45:07.078 Media LCID is detected as: 1033
01/13/2014 15:45:07.078 Local setup.exe not found, so continuing to run setup.exe from media.
01/13/2014 15:45:07.078 /? or /HELP or /ACTION=HELP specified: false
01/13/2014 15:45:07.078 Help display: false
01/13/2014 15:45:07.078 Checking to see if we need to install .Net version 2.0
01/13/2014 15:45:07.093 Determining the cluster status of the local machine.
01/13/2014 15:45:07.109 The local machine is not configured as a cluster node.
01/13/2014 15:45:07.109 Attempting to find media for .Net version 2.0
01/13/2014 15:45:07.109 .Net version 2.0 needs to be installed from media: c:59da7d719009b7aa270f
01/13/2014 15:45:07.109 Error: Unable to find media for .Net version 2.0
01/13/2014 15:45:07.109 .Net version 2.0 installation failed, so setup will close. Error code: 0x84C40007
01/13/2014 15:45:07.109 Setup closed with exit code: 0x84C40007
01/13/2014 15:45:07.109 ======================================================================
您是否安装了完整版本的 .Net，或者只是精简了客户端配置文件？