编译后程序运行出问题
我用visual studio2012 在WIN7、.net2.0环境下写了个程序，在本机上调试运行都没有出现问题；拿到其它XP系统、WIN7电脑上运行，结果出程序刚复制过去时可以的，10-30分钟后再开出现错误提示“应用程序无法正常启动（0xc000007b)"
”************** Exception Text **************
System.IO.FileNotFoundException: Could not load file or assembly 'System.Core, Version=3.5.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' or one of its dependencies. 系统找不到指定的文件。
File name: 'System.Core, Version=3.5.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'
at 数据管理软件.Form3.button7_Click(Object sender, EventArgs e)
at System.Windows.Forms.Control.OnClick(EventArgs e)
at System.Windows.Forms.Button.OnClick(EventArgs e)
at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)
at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ButtonBase.WndProc(Message& m)
at System.Windows.Forms.Button.WndProc(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
WRN: Assembly binding logging is turned OFF.
To enable assembly bind failure logging, set the registry value (DWORD) to 1.
Note: There is some performance penalty associated with assembly bind failure logging.
To turn this feature off, remove the registry value .
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有没有高手能帮分析下，看是哪里出错了。谢谢
其他电脑是32位还是64位 , 杀毒软件关了在试下 都是32位系统，杀毒软件都关了。。
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