WinXP安装.NET 2.0 SP1出错提示MSI returned error code 1603解决方法

WinXP安装.NET Framework 2.0 SP1出错，错误信息如下：

[09/06/16,23:10:36] Microsoft .NET Framework 2.0a: [2] Error: Installation failed for component Microsoft .NET Framework 2.0a. MSI returned error code 1603
[09/06/16,23:11:16] WapUI: [2] DepCheck indicates Microsoft .NET Framework 2.0a is not installed.
[09/07/16,21:49:59] Microsoft .NET Framework 2.0a: [2] Error: Installation failed for component Microsoft .NET Framework 2.0a. MSI returned error code 1603
[09/07/16,21:50:12] WapUI: [2] DepCheck indicates Microsoft .NET Framework 2.0a is not installed.

WinXP安装.NET 2.0 SP1出错提示MSI returned error code 1603解决方法

1).按Win+R打开运行，输入"regedit"确定后打开注册表编辑器；
2).在注册表编辑器依次展开HKEY_LOCAL_MACHINE\ SOFTWARE\Microsoft\InternetExplorer\Main；
3).右键点击Main，弹出菜单中选择"权限"，查找或添加当前系统登录用户(例如Administrator)，完全控制钩选允许；
4).重新安装.NET Framework 2.0 SP1即可。