title: Server Error in '/' Application. The specified module could not be found. (Exception from HRESULT: 0x8007007E)
body: <p>i have an .net application using visual studio 2005, when i try to run it from debuger , it shown an error like this, it looks like some dlls or modules files are missing, any suggestion on solving this error and how to find the missing moduls or dlls ?</p>
  
  <h2>Server Error in '/' Application.</h2>
  
  <p>The specified module could not be found. (Exception from HRESULT: 0x8007007E) 
  Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. </p>
  
  <p>Exception Details: System.IO.FileNotFoundException: The specified module could not be found. (Exception from HRESULT: 0x8007007E)</p>
  
  <p>Source Error: </p>
  
  <p>An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.  </p>
  
  <p>Stack Trace: </p>
  
  <p>[FileNotFoundException: The specified module could not be found. (Exception from HRESULT: 0x8007007E)]
     System.Reflection.Assembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, Assembly locationHint, StackCrawlMark&amp; stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection) +0
     System.Reflection.Assembly.nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, Assembly locationHint, StackCrawlMark&amp; stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection) +43
     System.Reflection.Assembly.InternalLoad(AssemblyName assemblyRef, Evidence assemblySecurity, StackCrawlMark&amp; stackMark, Boolean forIntrospection) +127
     System.Reflection.Assembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark&amp; stackMark, Boolean forIntrospection) +142
     System.Reflection.Assembly.Load(String assemblyString) +28
     System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String assemblyName, Boolean starDirective) +46</p>
  
  <p>[ConfigurationErrorsException: The specified module could not be found. (Exception from HRESULT: 0x8007007E)]
     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.WebDirectoryBatchCompiler..ctor(VirtualDirectory vdir) +163
     System.Web.Compilation.BuildManager.BatchCompileWebDirectoryInternal(VirtualDirectory vdir, Boolean ignoreErrors) +53
     System.Web.Compilation.BuildManager.BatchCompileWebDirectory(VirtualDirectory vdir, VirtualPath virtualDir, Boolean ignoreErrors) +175
     System.Web.Compilation.BuildManager.CompileWebFile(VirtualPath virtualPath) +86
     System.Web.Compilation.BuildManager.GetVPathBuildResultInternal(VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile) +261
     System.Web.Compilation.BuildManager.GetVPathBuildResultWithNoAssert(HttpContext context, VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile) +101
     System.Web.Compilation.BuildManager.GetVirtualPathObjectFactory(VirtualPath virtualPath, HttpContext context, Boolean allowCrossApp, Boolean noAssert) +126
     System.Web.Compilation.BuildManager.CreateInstanceFromVirtualPath(VirtualPath virtualPath, Type requiredBaseType, HttpContext context, Boolean allowCrossApp, Boolean noAssert) +62
     System.Web.UI.PageHandlerFactory.GetHandlerHelper(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath) +33
     System.Web.UI.PageHandlerFactory.System.Web.IHttpHandlerFactory2.GetHandler(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath) +40
     System.Web.HttpApplication.MapHttpHandler(HttpContext context, String requestType, VirtualPath path, String pathTranslated, Boolean useAppConfig) +160
     System.Web.MapHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +93
     System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean&amp; completedSynchronously) +155</p>
  
  <hr>
  
  <p>Version Information: Microsoft .NET Framework Version:2.0.50727.5420; ASP.NET Version:2.0.50727.5420 </p>