Failed to load JIT compiler

[Ken]

Anyone know how to fix this matter?
Server Error in '/' Application.
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Failed to load JIT compiler
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.ExecutionEngineException: Failed to load JIT
compiler

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.

Stack Trace:

[ExecutionEngineException: Failed to load JIT compiler]
__ASP.FastObjectFactory_app_web_login_aspx_cdcab7d 2_qnnkuml1.Create_ASP_login_aspx()
+0
System.Web.Compilation.BuildResultCompiledType.Cre ateInstance() +49
System.Web.Compilation.BuildManager.CreateInstance FromVirtualPath(VirtualPath
virtualPath, Type requiredBaseType, HttpContext context, Boolean
allowCrossApp, Boolean noAssert) +115
System.Web.UI.PageHandlerFactory.GetHandlerHelper( HttpContext context,
String requestType, VirtualPath virtualPath, String physicalPath) +31
System.Web.UI.PageHandlerFactory.System.Web.IHttpH andlerFactory2.GetHandler(HttpContext
context, String requestType, VirtualPath virtualPath, String physicalPath)
+40
System.Web.HttpApplication.MapHttpHandler(HttpCont ext context, String
requestType, VirtualPath path, String pathTranslated, Boolean useAppConfig)
+139
System.Web.MapHandlerExecutionStep.System.Web.Http Application.IExecutionStep.Execute()
+120
System.Web.HttpApplication.ExecuteStep(IExecutionS tep step, Boolean&
completedSynchronously) +155

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Version Information: Microsoft .NET Framework Version:2.0.50727.42; ASP.NET
Version:2.0.50727.42