WPF .net 4应用程序在Windows 7上无法正常工作

Question

我已经在目标框架= .Net Framework 4中创建了一个WPF应用程序，Windows 8上的Visual Studio 2012 Express for Desktop 8中的C＃。 当我在它运行Windows 7，但工作不正确。例如：当你点击按钮时，单击事件不会被调用。在Windows 7上安装.Net Framework 4. 也不会发生任何错误。根本不工作任何按钮。如果你遇到Windows 8，那么一切正常。

Answer 1

随着FUSLOGVW.exe花费测试。

The operation failed. 
Bind result: hr = 0x80131047. No description available. 

Assembly manager loaded from: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\clr.dll 
Running under executable C:\Release\Myapp.exe 
--- A detailed error log follows. 

=== Pre-bind state information === 
LOG: User = My-pc\Mypc 
LOG: DisplayName = System.Core, Version=2.0.5.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e, Retargetable=Yes 
(Fully-specified) 
LOG: Appbase = file:///C:/Release/ 
LOG: Initial PrivatePath = NULL 
LOG: Dynamic Base = NULL 
LOG: Cache Base = NULL 
LOG: AppName = Myapp.exe 
Calling assembly : Microsoft.Threading.Tasks, Version=1.0.12.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a. 
=== 
LOG: This bind starts in default load context. 
LOG: Using application configuration file: C:\Release\Myapp.exe.Config 
LOG: Using host configuration file: 
LOG: Using machine configuration file from C:\Windows\Microsoft.NET\Framework64\v4.0.30319\config\machine.config. 
LOG: PublicKeyToken redirect found in portability config: 7cec85d7bea7798e redirected to b77a5c561934e089. 
LOG: Version redirect found in portability config: 2.0.5.0 redirected to 4.0.0.0. 
ERR: Failed to apply policy (hr = 0x80131047). 
ERR: Unrecoverable error occurred during pre-download check (hr = 0x80131047). 

问题解决了，安装补丁程序 http://support.microsoft.com/kb/2468871