New Post: A procedure imported by 'ClearScriptV8-64.dll' could not be loaded.

It happens if I do this: I build and I open an request and it's all good, then I make a change in the Library (where ClearScript is) and then I debug and I make an request and it dies.

This is the call stack:

[FileLoadException: A procedure imported by 'ClearScriptV8-64.DLL' could not be loaded.]
   System.Reflection.RuntimeAssembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark& stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks) +0
   System.Reflection.RuntimeAssembly.InternalLoadAssemblyName(AssemblyName assemblyRef, Evidence assemblySecurity, RuntimeAssembly reqAssembly, StackCrawlMark& stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks) +210
   System.Reflection.RuntimeAssembly.InternalLoadAssemblyName(AssemblyName assemblyRef, Evidence assemblySecurity, RuntimeAssembly reqAssembly, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks) +44
   System.Reflection.RuntimeAssembly.InternalLoadFrom(String assemblyFile, Evidence securityEvidence, Byte[] hashValue, AssemblyHashAlgorithm hashAlgorithm, Boolean forIntrospection, Boolean suppressSecurityChecks, StackCrawlMark& stackMark) +155
   System.Reflection.Assembly.LoadFrom(String assemblyFile) +61
   WebActivatorEx.ActivationManager.get_Assemblies() +282
   WebActivatorEx.ActivationManager.RunActivationMethods(Boolean designerMode) +88
   WebActivatorEx.ActivationManager.RunPreStartMethods(Boolean designerMode) +47
   WebActivatorEx.ActivationManager.Run() +70

[InvalidOperationException: The pre-application start initialization method Run on type WebActivatorEx.ActivationManager threw an exception with the following error message: A procedure imported by 'ClearScriptV8-64.DLL' could not be loaded..]
   System.Web.Compilation.BuildManager.InvokePreStartInitMethodsCore(ICollection`1 methods, Func`1 setHostingEnvironmentCultures) +12602895
   System.Web.Compilation.BuildManager.InvokePreStartInitMethods(ICollection`1 methods) +12602616
   System.Web.Compilation.BuildManager.CallPreStartInitMethods(String preStartInitListPath, Boolean& isRefAssemblyLoaded) +280
   System.Web.Compilation.BuildManager.ExecutePreAppStart() +172
   System.Web.Hosting.HostingEnvironment.Initialize(ApplicationManager appManager, IApplicationHost appHost, IConfigMapPathFactory configMapPathFactory, HostingEnvironmentParameters hostingParameters, PolicyLevel policyLevel, Exception appDomainCreationException) +1151

[HttpException (0x80004005): The pre-application start initialization method Run on type WebActivatorEx.ActivationManager threw an exception with the following error message: A procedure imported by 'ClearScriptV8-64.DLL' could not be loaded..]
   System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +12601936
   System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +159
   System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +12441597