I also went through a standard Telerik upgrade (we have full offering) and now I'm unable to access admin site for the same reasons as above.
Index not found. (Exception from HRESULT: 0x80131124) BadImageFormatException
=====
[BadImageFormatException: Index not found. (Exception from HRESULT: 0x80131124)]
Telerik.Web.Mvc.{Dynamic}.StyleSheetRegistrarBuilder..ctor(StyleSheetRegistrar styleSheetRegistrar) +0
lambda_method(Closure , StyleSheetRegistrar ) +55
Telerik.Web.Mvc.UI.ComponentBuilderBase`2.Create(TComponent component) +333
Telerik.Web.Mvc.UI.HtmlHelperExtension.Telerik(HtmlHelper`1 helper) +1173
ASP._Page_Administration_Views_Order_OrderAverageReport_cshtml.Execute() in d:\_PGRWS_nopCommerce_3.00_DEVELOPMENT\VisualStudioFiles\Presentation\Nop.Web\Administration\Views\Order\OrderAverageReport.cshtml:7
System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +499
System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +319
System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +486
System.Web.Mvc.RazorView.RenderView(ViewContext viewContext, TextWriter writer, Object instance) +1033
System.Web.Mvc.BuildManagerCompiledView.Render(ViewContext viewContext, TextWriter writer) +620
System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) +684
System.Web.Mvc.ControllerActionInvoker.InvokeActionResult(ControllerContext controllerContext, ActionResult actionResult) +295
System.Web.Mvc.<>c__DisplayClass1a.<InvokeActionResultWithFilters>b__17() +341
System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +709
System.Web.Mvc.<>c__DisplayClass1c.<InvokeActionResultWithFilters>b__19() +342
System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +709
System.Web.Mvc.<>c__DisplayClass1c.<InvokeActionResultWithFilters>b__19() +342
System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +709
System.Web.Mvc.<>c__DisplayClass1c.<InvokeActionResultWithFilters>b__19() +342
System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +709
System.Web.Mvc.<>c__DisplayClass1c.<InvokeActionResultWithFilters>b__19() +342
System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult) +616
System.Web.Mvc.Async.<>c__DisplayClass2a.<BeginInvokeAction>b__20() +355
System.Web.Mvc.Async.<>c__DisplayClass25.<BeginInvokeAction>b__22(IAsyncResult asyncResult) +454
System.Web.Mvc.Async.WrappedAsyncResult`1.End() +401
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +342
System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult) +328
System.Web.Mvc.<>c__DisplayClass1d.<BeginExecuteCore>b__18(IAsyncResult asyncResult) +278
System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +337
System.Web.Mvc.Async.WrappedAsyncResult`1.End() +418
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +352
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +281
System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +277
System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +337
System.Web.Mvc.Async.WrappedAsyncResult`1.End() +418
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +352
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +281
System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +277
System.Web.Mvc.Controller.System.Web.Mvc.Async.IAsyncController.EndExecute(IAsyncResult asyncResult) +277
System.Web.Mvc.<>c__DisplayClass8.<BeginProcessRequest>b__3(IAsyncResult asyncResult) +278
System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +337
System.Web.Mvc.Async.WrappedAsyncResult`1.End() +418
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +352
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +281
System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +278
System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result) +276
System.Web.Mvc.<>c__DisplayClassa.<EndProcessRequest>b__9() +264
System.Web.Mvc.<>c__DisplayClass4.<Wrap>b__3() +317
System.Web.Mvc.ServerExecuteHttpHandlerWrapper.Wrap(Func`1 func) +329
System.Web.Mvc.ServerExecuteHttpHandlerWrapper.Wrap(Action action) +333
System.Web.Mvc.ServerExecuteHttpHandlerAsyncWrapper.EndProcessRequest(IAsyncResult result) +363
System.Web.HttpServerUtility.ExecuteInternal(IHttpHandler handler, TextWriter writer, Boolean preserveForm, Boolean setPreviousPage, VirtualPath path, VirtualPath filePath, String physPath, Exception error, String queryStringOverride) +2844
[HttpException (0x80004005): Error executing child request for handler 'System.Web.Mvc.HttpHandlerUtil+ServerExecuteHttpHandlerAsyncWrapper'.]
System.Web.HttpServerUtility.ExecuteInternal(IHttpHandler handler, TextWriter writer, Boolean preserveForm, Boolean setPreviousPage, VirtualPath path, VirtualPath filePath, String physPath, Exception error, String queryStringOverride) +4057
System.Web.HttpServerUtility.Execute(IHttpHandler handler, TextWriter writer, Boolean preserveForm, Boolean setPreviousPage) +502
System.Web.HttpServerUtility.Execute(IHttpHandler handler, TextWriter writer, Boolean preserveForm) +437
System.Web.HttpServerUtilityWrapper.Execute(IHttpHandler handler, TextWriter writer, Boolean preserveForm) +379
System.Web.Mvc.Html.ChildActionExtensions.ActionHelper(HtmlHelper htmlHelper, String actionName, String controllerName, RouteValueDictionary routeValues, TextWriter textWriter) +1294
System.Web.Mvc.Html.ChildActionExtensions.Action(HtmlHelper htmlHelper, String actionName, String controllerName, RouteValueDictionary routeValues) +428
System.Web.Mvc.Html.ChildActionExtensions.Action(HtmlHelper htmlHelper, String actionName, String controllerName) +359
ASP._Page_Administration_Views_Home_Index_cshtml.Execute() in d:\_PGRWS_nopCommerce_3.00_DEVELOPMENT\VisualStudioFiles\Presentation\Nop.Web\Administration\Views\Home\Index.cshtml:29
System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +499
System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +319
System.Web.WebPages.StartPage.RunPage() +304
System.Web.WebPages.StartPage.ExecutePageHierarchy() +332
System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +472
System.Web.Mvc.RazorView.RenderView(ViewContext viewContext, TextWriter writer, Object instance) +1033
System.Web.Mvc.BuildManagerCompiledView.Render(ViewContext viewContext, TextWriter writer) +620
System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) +684
System.Web.Mvc.ControllerActionInvoker.InvokeActionResult(ControllerContext controllerContext, ActionResult actionResult) +295
System.Web.Mvc.<>c__DisplayClass1a.<InvokeActionResultWithFilters>b__17() +341
System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +709
System.Web.Mvc.<>c__DisplayClass1c.<InvokeActionResultWithFilters>b__19() +342
System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +709
System.Web.Mvc.<>c__DisplayClass1c.<InvokeActionResultWithFilters>b__19() +342
System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +709
System.Web.Mvc.<>c__DisplayClass1c.<InvokeActionResultWithFilters>b__19() +342
System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +709
System.Web.Mvc.<>c__DisplayClass1c.<InvokeActionResultWithFilters>b__19() +342
System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult) +616
System.Web.Mvc.Async.<>c__DisplayClass2a.<BeginInvokeAction>b__20() +355
System.Web.Mvc.Async.<>c__DisplayClass25.<BeginInvokeAction>b__22(IAsyncResult asyncResult) +454
System.Web.Mvc.Async.WrappedAsyncResult`1.End() +401
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +342
System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult) +328
System.Web.Mvc.<>c__DisplayClass1d.<BeginExecuteCore>b__18(IAsyncResult asyncResult) +278
System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +337
System.Web.Mvc.Async.WrappedAsyncResult`1.End() +418
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +352
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +281
System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +277
System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +337
System.Web.Mvc.Async.WrappedAsyncResult`1.End() +418
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +352
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +281
System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +277
System.Web.Mvc.Controller.System.Web.Mvc.Async.IAsyncController.EndExecute(IAsyncResult asyncResult) +277
System.Web.Mvc.<>c__DisplayClass8.<BeginProcessRequest>b__3(IAsyncResult asyncResult) +278
System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +337
System.Web.Mvc.Async.WrappedAsyncResult`1.End() +418
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +352
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +281
System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +278
System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result) +276
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +1176
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +656