[01/15/10,18:59:17] Windows Presentation Foundation: [2] Error: Installation failed for component Windows Presentation Foundation. MSI returned error code 1603
[01/15/10,19:03:21] Windows Presentation Foundation: [2] Error: Installation failed for component Windows Presentation Foundation. MSI returned error code 1603
[01/18/10,21:12:09] Windows Presentation Foundation: [2] Error: Installation failed for component Windows Presentation Foundation. MSI returned error code 1603
[01/18/10,21:20:25] Windows Presentation Foundation: [2] Error: Installation failed for component Windows Presentation Foundation. MSI returned error code 1603
[01/18/10,21:27:29] Windows Presentation Foundation: [2] Error: Installation failed for component Windows Presentation Foundation. MSI returned error code 1603
[01/18/10,21:35:15] Windows Presentation Foundation: [2] Error: Installation failed for component Windows Presentation Foundation. MSI returned error code 1603
[01/18/10,21:39:41] Windows Presentation Foundation: [2] Error: Installation failed for component Windows Presentation Foundation. MSI returned error code 1618
[01/18/10,21:49:57] Windows Presentation Foundation: [2] Error: Installation failed for component Windows Presentation Foundation. MSI returned error code 1603
[01/18/10,22:20:27] Windows Presentation Foundation: [2] Error: Installation failed for component Windows Presentation Foundation. MSI returned error code 1603
[01/18/10,22:20:40] WapUI: [2] DepCheck indicates Windows Presentation Foundation is not installed.
[01/18/10,22:20:40] WapUI: [2] DepCheck indicates Microsoft .NET Framework 3.0 was not attempted to be installed.
[01/18/10,22:38:37] Windows Presentation Foundation: [2] Error: Installation failed for component Windows Presentation Foundation. MSI returned error code 1603
[01/18/10,22:39:14] WapUI: [2] DepCheck indicates Windows Presentation Foundation is not installed.
[01/18/10,22:39:14] WapUI: [2] DepCheck indicates Microsoft .NET Framework 3.0 was not attempted to be installed.
[01/18/10,23:04:57] Windows Presentation Foundation: [2] Error: Installation failed for component Windows Presentation Foundation. MSI returned error code 1603
[01/19/10,00:11:24] Windows Presentation Foundation: [2] Error: Installation failed for component Windows Presentation Foundation. MSI returned error code 1603
[01/19/10,00:15:10] Windows Presentation Foundation: [2] Error: Installation failed for component Windows Presentation Foundation. MSI returned error code 1603
[01/19/10,00:15:20] WapUI: [2] DepCheck indicates Windows Presentation Foundation is not installed.
[01/19/10,00:15:20] WapUI: [2] DepCheck indicates Microsoft .NET Framework 3.0 was not attempted to be installed.
错误报告如上，我是小白我描述不清，反正就是在微软的官网下的，然后运行，没一会等提示已经下完开始安装后就蹦出错误说有问题需要关闭了，错误报告如上
本身想装V3.5，结果安不成才降级安3.0，可是都不行，连报错的方式都一样
用了2楼给的软件
结果是这个
[01/18/10,22:04:29] Microsoft .NET Framework 3.0 SP2 x86: [2] Error: Installation failed for component Microsoft .NET Framework 3.0 SP2 x86. MSI returned error code 1603
[01/18/10,22:05:02] WapUI: [2] DepCheck indicates Microsoft .NET Framework 3.0 SP2 x86 is not installed.
[01/19/10,11:22:35] Microsoft .NET Framework 3.0a: [2] Error: Installation failed for component Microsoft .NET Framework 3.0a. MSI returned error code 1603
[01/19/10,11:22:51] WapUI: [2] DepCheck indicates Microsoft .NET Framework 3.0a is not installed.
[01/19/10,11:28:04] Microsoft .NET Framework 3.0a: [2] Error: Installation failed for component Microsoft .NET Framework 3.0a. MSI returned error code 1603
[01/19/10,11:28:17] WapUI: [2] DepCheck indicates Microsoft .NET Framework 3.0a is not installed.
安装前先要把旧版本卸掉。
也有报告说MDAC组件错误导致这个问题。
还有其他一些兼容性错误造成1603的。
总之，你先把旧的卸掉，再安一次试试看。
这个工具可以在不得已的情况下，卸载损坏的.NET组件。
http://blogs.msdn.com/astebner/pages/8904493.aspx
