When I am trying to debug in Visual Studio 2008, I'm getting the following error. I have cleaned the ASP.NET temp folder and restarted VS. I also removed the supposedly breaking reference and added it back. But nothing seems to work. Has anyone faced similar situations and is there a solution?

Could not load file or assembly '"GCS.Common (asif mohammed's conflicted copy 2010-01-29)"' or one of its dependencies. The given assembly name or codebase was invalid. （来自HRESULT的例外：0x80131047）

[FileLoadException: Could not load file or assembly '"GCS.Common (asif mohammed's conflicted copy 2010-01-29)"' or one of its dependencies.给定的装配名或CodeBase无效。 (Exception from HRESULT: 0x80131047)]
System.Reflection.AssemblyName.nInit(Assembly& assembly, Boolean forIntrospection, Boolean raiseResolveEvent) +0
System.Reflection.Assembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection) +114 System.Reflection.Assembly.Load(String assemblyString) +28
System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String assemblyName, Boolean starDirective) +46

[ConfigurationErrorsException: Could not load file or assembly '"GCS.Common (asif mohammed's conflicted copy 2010-01-29)"' or one of its dependencies.给定的装配名或CodeBase无效。 (Exception from HRESULT: 0x80131047)]
System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String assemblyName, Boolean starDirective) +613 System.Web.Configuration.CompilationSection.LoadAllAssembliesFromAppDomainBinDirectory() +203 System.Web.Configuration.CompilationSection.LoadAssembly(AssemblyInfo ai) +105
System.Web.Compilation.BuildManager.GetReferencedAssemblies(CompilationSection compConfig) +178
System.Web.Compilation.BuildProvidersCompiler..ctor(VirtualPath configPath, Boolean supportLocalization, String outputAssemblyName) +54
System.Web.Compilation.CodeDirectoryCompiler.GetCodeDirectoryAssembly(VirtualPath virtualDir, CodeDirectoryType dirType, String assemblyName, StringSet excludedSubdirectories, Boolean isDirectoryAllowed) +8809426
System.Web.Compilation.BuildManager.CompileCodeDirectory(VirtualPath virtualDir, CodeDirectoryType dirType, String assemblyName, StringSet excludedSubdirectories) +128
System.Web.Compilation.BuildManager.CompileCodeDirectories() +265 System.Web.Compilation.BuildManager.EnsureTopLevelFilesCompiled() +320

[HttpException (0x80004005): Could not load file or assembly '"GCS.Common (asif mohammed's conflicted copy 2010-01-29)"' or one of its dependencies.给定的装配名或CodeBase无效。 (Exception from HRESULT: 0x80131047)]
System.Web.Compilation.BuildManager.ReportTopLevelCompilationException() +58 System.Web.Compilation.BuildManager.EnsureTopLevelFilesCompiled() +512 System.Web.Hosting.HostingEnvironment.Initialize(ApplicationManager appManager, IApplicationHost appHost, IConfigMapPathFactory configMapPathFactory, HostingEnvironmentParameters hostingParameters) +729

[HttpException (0x80004005): Could not load file or assembly '"GCS.Common (asif mohammed's conflicted copy 2010-01-29)"' or one of its dependencies.给定的装配名或CodeBase无效。 (Exception from HRESULT: 0x80131047)]
System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +8890735
System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +85
System.Web.HttpRuntime.ProcessRequestInternal(HttpWorkerRequest wr) +259