title: Could not load file or assembly 'Microsoft.Practices.EnterpriseLibrary.Common, Version=6.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or
body: <p>I tried to use Logging in Enterprise Library 6.0 in VS2015 and the following exception pops up. The reference Microsoft.Practices.EnterpriseLibray.Common is already added in the references of VS2015.</p>
  
  <pre><code>Server Error in '/' Application.
  
  Could not load file or assembly 'Microsoft.Practices.EnterpriseLibrary.Common, Version=6.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040) 
    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. 
  
   Exception Details: System.IO.FileLoadException: Could not load file or assembly 'Microsoft.Practices.EnterpriseLibrary.Common, Version=6.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)
  
  Source Error: 
  
  
   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.  
  
  Assembly Load Trace: The following information can be helpful to determine why the assembly 'Microsoft.Practices.EnterpriseLibrary.Common, Version=6.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' could not be loaded.
  
  
  
  === Pre-bind state information ===
  LOG: DisplayName = Microsoft.Practices.EnterpriseLibrary.Common, Version=6.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
   (Fully-specified)
  LOG: Appbase = file:///c:/users/damarat/documents/visual studio 2015/Projects/LoginForm/LoginForm/
  LOG: Initial PrivatePath = c:\users\damarat\documents\visual studio 2015\Projects\LoginForm\LoginForm\bin
  Calling assembly : Microsoft.Practices.EnterpriseLibrary.Configuration.DesignTime, Version=6.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35.
  ===
  LOG: This bind starts in default load context.
  LOG: Using application configuration file: c:\users\damarat\documents\visual studio 2015\Projects\LoginForm\LoginForm\web.config
  LOG: Using host configuration file: C:\Users\damarat\Documents\IISExpress\config\aspnet.config
  LOG: Using machine configuration file from C:\Windows\Microsoft.NET\Framework\v4.0.30319\config\machine.config.
  LOG: Redirect found in application configuration file: 6.0.0.0 redirected to 6.0.0.0.
  LOG: Post-policy reference: Microsoft.Practices.EnterpriseLibrary.Common, Version=6.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
  LOG: Attempting download of new URL file:///C:/Windows/Microsoft.NET/Framework/v4.0.30319/Temporary ASP.NET Files/root/b1f5e761/8f0d1b40/Microsoft.Practices.EnterpriseLibrary.Common.DLL.
  LOG: Attempting download of new URL file:///C:/Windows/Microsoft.NET/Framework/v4.0.30319/Temporary ASP.NET Files/root/b1f5e761/8f0d1b40/Microsoft.Practices.EnterpriseLibrary.Common/Microsoft.Practices.EnterpriseLibrary.Common.DLL.
  LOG: Attempting download of new URL file:///c:/users/damarat/documents/visual studio 2015/Projects/LoginForm/LoginForm/bin/Microsoft.Practices.EnterpriseLibrary.Common.DLL.
  WRN: Comparing the assembly name resulted in the mismatch: Major Version
  ERR: Failed to complete setup of assembly (hr = 0x80131040). Probing terminated.
  
  
  
  Stack Trace: 
  
  
  
  [FileLoadException: Could not load file or assembly 'Microsoft.Practices.EnterpriseLibrary.Common, Version=6.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)]
     System.ModuleHandle.ResolveType(RuntimeModule module, Int32 typeToken, IntPtr* typeInstArgs, Int32 typeInstCount, IntPtr* methodInstArgs, Int32 methodInstCount, ObjectHandleOnStack type) +0
     System.ModuleHandle.ResolveTypeHandleInternal(RuntimeModule module, Int32 typeToken, RuntimeTypeHandle[] typeInstantiationContext, RuntimeTypeHandle[] methodInstantiationContext) +145
     System.Reflection.RuntimeModule.ResolveType(Int32 metadataToken, Type[] genericTypeArguments, Type[] genericMethodArguments) +158
     System.Reflection.CustomAttribute.FilterCustomAttributeRecord(CustomAttributeRecord caRecord, MetadataImport scope, Assembly&amp; lastAptcaOkAssembly, RuntimeModule decoratedModule, MetadataToken decoratedToken, RuntimeType attributeFilterType, Boolean mustBeInheritable, Object[] attributes, IList derivedAttributes, RuntimeType&amp; attributeType, IRuntimeMethodInfo&amp; ctor, Boolean&amp; ctorHasParameters, Boolean&amp; isVarArg) +91
     System.Reflection.CustomAttribute.GetCustomAttributes(RuntimeModule decoratedModule, Int32 decoratedMetadataToken, Int32 pcaCount, RuntimeType attributeFilterType, Boolean mustBeInheritable, IList derivedAttributes, Boolean isDecoratedTargetSecurityTransparent) +438
     System.Reflection.CustomAttribute.GetCustomAttributes(RuntimeAssembly assembly, RuntimeType caType) +103
     System.Reflection.RuntimeAssembly.GetCustomAttributes(Boolean inherit) +37
     Owin.Loader.DefaultLoader.SearchForStartupAttribute(String friendlyName, IList`1 errors, Boolean&amp; conflict) +106
     Owin.Loader.DefaultLoader.GetDefaultConfiguration(String friendlyName, IList`1 errors) +46
     Owin.Loader.DefaultLoader.LoadImplementation(String startupName, IList`1 errorDetails) +75
     Owin.Loader.DefaultLoader.Load(String startupName, IList`1 errorDetails) +21
     Microsoft.Owin.Host.SystemWeb.OwinBuilder.GetAppStartup() +115
     Microsoft.Owin.Host.SystemWeb.OwinHttpModule.InitializeBlueprint() +28
     System.Threading.LazyInitializer.EnsureInitializedCore(T&amp; target, Boolean&amp; initialized, Object&amp; syncLock, Func`1 valueFactory) +115
     Microsoft.Owin.Host.SystemWeb.OwinHttpModule.Init(HttpApplication context) +106
     System.Web.HttpApplication.RegisterEventSubscriptionsWithIIS(IntPtr appContext, HttpContext context, MethodInfo[] handlers) +534
     System.Web.HttpApplication.InitSpecial(HttpApplicationState state, MethodInfo[] handlers, IntPtr appContext, HttpContext context) +172
     System.Web.HttpApplicationFactory.GetSpecialApplicationInstance(IntPtr appContext, HttpContext context) +352
     System.Web.Hosting.PipelineRuntime.InitializeApplication(IntPtr appContext) +296
  
  [HttpException (0x80004005): Could not load file or assembly 'Microsoft.Practices.EnterpriseLibrary.Common, Version=6.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)]
     System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +9947444
     System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +101
     System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +261
  
  
  
  
  Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.6.1055.0  
  </code></pre>
  
  <p>Help me out to figure it out</p>