这种异常是什么意思？

未处理 System.Resources.MissingManifestResourceException
  Message="未能找到任何适合于指定的区域性或非特定区域性的资源。请确保在编译时已将“Properties.Resources.resources”正确嵌入或链接到程序集“$ScreenSaver$”，或者确保所有需要的附属程序集都可加载并已进行了完全签名。"
  Source="mscorlib"
  StackTrace:
       在 System.Resources.ResourceManager.InternalGetResourceSet(CultureInfo culture, Boolean createIfNotExists, Boolean tryParents)
       在 System.Resources.ResourceManager.InternalGetResourceSet(CultureInfo culture, Boolean createIfNotExists, Boolean tryParents)
       在 System.Resources.ResourceManager.InternalGetResourceSet(CultureInfo culture, Boolean createIfNotExists, Boolean tryParents)
       在 System.Resources.ResourceManager.InternalGetResourceSet(CultureInfo culture, Boolean createIfNotExists, Boolean tryParents)
       在 System.Resources.ResourceManager.GetObject(String name, CultureInfo culture, Boolean wrapUnmanagedMemStream)
       在 System.Resources.ResourceManager.GetObject(String name, CultureInfo culture)
       在 Properties.Resources.get_SSaverBackground() 位置 E:\Personal\My Documents\Visual Studio 2008\Projects\ScreenSaver\Properties\Resources.Designer.cs:行号 74
       在 ScreenSaver1.ScreenSaverForm.LoadDefaultBackgroundImages() 位置 E:\Personal\My Documents\Visual Studio 2008\Projects\ScreenSaver\ScreenSaverForm.cs:行号 128
       在 ScreenSaver1.ScreenSaverForm.LoadBackgroundImage() 位置 E:\Personal\My Documents\Visual Studio 2008\Projects\ScreenSaver\ScreenSaverForm.cs:行号 95
       在 ScreenSaver1.ScreenSaverForm..ctor() 位置 E:\Personal\My Documents\Visual Studio 2008\Projects\ScreenSaver\ScreenSaverForm.cs:行号 38
       在 ScreenSaver1.Program.ShowScreenSaver() 位置 E:\Personal\My Documents\Visual Studio 2008\Projects\ScreenSaver\Program.cs:行号 53
       在 ScreenSaver1.Program.Main(String[] args) 位置 E:\Personal\My Documents\Visual Studio 2008\Projects\ScreenSaver\Program.cs:行号 40
       在 System.AppDomain._nExecuteAssembly(Assembly assembly, String[] args)
       在 System.AppDomain.nExecuteAssembly(Assembly assembly, String[] args)
       在 System.Runtime.Hosting.ManifestRunner.Run(Boolean checkAptModel)
       在 System.Runtime.Hosting.ManifestRunner.ExecuteAsAssembly()
       在 System.Runtime.Hosting.ApplicationActivator.CreateInstance(ActivationContext activationContext, String[] activationCustomData)
       在 System.Runtime.Hosting.ApplicationActivator.CreateInstance(ActivationContext activationContext)
       在 Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssemblyDebugInZone()
       在 System.Threading.ThreadHelper.ThreadStart_Context(Object state)
       在 System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
       在 System.Threading.ThreadHelper.ThreadStart()
  InnerException: