环境：操作系统Windows 2008 R2 Sp1，IIS 7.5，应用程序池CLR .Net 4 x64（集成模式）。
我们的生产网站是ASP.net网站（不是网络应用程序），它支持6种语言的UI文化，如下所示：
en-US，ja-JP，th-TH，zh-CN，zh-TW，ko-KR和vi-VN。
该网站与除越南语之外的所有语言完美配合。有时，当我们将语言更改为越南语时，某些页面会抛出异常，如下所示
System.InvalidOperationException: Collection was modified; enumeration operation may not execute.
at System.Reflection.RuntimeAssembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks)
at System.Reflection.RuntimeAssembly.InternalGetSatelliteAssembly(String name, CultureInfo culture, Version version, Boolean throwOnFileNotFound, StackCrawlMark& stackMark)
at System.Resources.ManifestBasedResourceGroveler.GetSatelliteAssembly(CultureInfo lookForCulture, StackCrawlMark& stackMark)
at System.Resources.ManifestBasedResourceGroveler.GrovelForResourceSet(CultureInfo culture, Dictionary`2 localResourceSets, Boolean tryParents, Boolean createIfNotExists, StackCrawlMark& stackMark)
at System.Resources.ResourceManager.InternalGetResourceSet(CultureInfo requestedCulture, Boolean createIfNotExists, Boolean tryParents, StackCrawlMark& stackMark)
at System.Resources.ResourceManager.InternalGetResourceSet(CultureInfo culture, Boolean createIfNotExists, Boolean tryParents)
at System.Resources.ResourceManager.GetString(String name, CultureInfo culture)
at Resources.Lang.get_noofticket()
查看错误消息，我们了解到当调用Resource.Lange.get_nooticket（）并抛出异常的方法时发生错误
System.Reflection.RuntimeAssembly
_nLoad(System.Reflection.AssemblyName, System.String, System.Security.Policy.Evidence, System.Reflection.RuntimeAssembly, System.Threading.StackCrawlMark ByRef, Boolean, Boolean, Boolean).
Resource.Lang是全局资源文件。 我们什么都没发现＆＃34;特别＆＃34;关于越南资源文件，但越南资源文件中缺少一些密钥。但是，据我所知，它不可能是问题，因为ResourceManager可以自动切换到默认文化（英文）来获取资源值。而且，这个bug并不经常发生，我们也不知道如何重现。
我们还有来自转储文件的报告如下：
KERNELBASE!RaiseException+39
MSVCR100_CLR0400!CxxThrowException+81
clr!AssemblySpecBindingCache::AssemblyBinding::ThrowIfError+38
clr! ?? ::FNODOBFM::`string'+6f100
clr!AssemblySpec::LoadDomainAssembly+129
clr!AssemblySpec::LoadAssembly+1b
clr!AssemblyNative::Load+26a
[[HelperMethodFrame_PROTECTOBJ] (System.Reflection.RuntimeAssembly._nLoad)] System.Reflection.RuntimeAssembly._nLoad(System.Reflection.AssemblyName, System.String, System.Security.Policy.Evidence, System.Reflection.RuntimeAssembly, System.Threading.StackCrawlMarkByRef, Boolean, Boolean, Boolean)
mscorlib_ni!System.Reflection.RuntimeAssembly.InternalGetSatelliteAssembly(System.String, System.Globalization.CultureInfo, System.Version, Boolean, System.Threading.StackCrawlMark ByRef)+ee
mscorlib_ni!System.Resources.ManifestBasedResourceGroveler.GetSatelliteAssembly(System.Globalization.CultureInfo, System.Threading.StackCrawlMark ByRef)+d7
mscorlib_ni!System.Resources.ManifestBasedResourceGroveler.GrovelForResourceSet(System.Globalization.CultureInfo, System.Collections.Generic.Dictionary`2<System.String,System.Resources.ResourceSet>, Boolean, Boolean, System.Threading.StackCrawlMark ByRef)+e2
mscorlib_ni!System.Resources.ResourceManager.InternalGetResourceSet(System.Globalization.CultureInfo, Boolean, Boolean, System.Threading.StackCrawlMark ByRef)+268
mscorlib_ni!System.Resources.ResourceManager.InternalGetResourceSet(System.Globalization.CultureInfo, Boolean, Boolean)+23
mscorlib_ni!System.Resources.ResourceManager.GetString(System.String, System.Globalization.CultureInfo)+13c
Resources.Lang.get_noofticket()+5b
Fanex.Age.UI.Reports.Winloss.WinlossDetailMaster_ExcelContents_Block.get_s32()+28
Fanex.Age.UI.Reports.Winloss.WinlossDetailMaster_ExcelContents_Block.ToString(System.Text.StringBuilder ByRef)+3ce
Fanex.Age.UI.Reports.Winloss.WinlossDetailMaster_Template.ToString(System.Text.StringBuilder ByRef)+40d
Fanex.Age.UI.Reports.Winloss.WinlossDetailMaster_Page.RenderContent(System.Web.UI.HtmlTextWriter)+1fa
Fanex.Age.UI.TplPage.Render(System.Web.UI.HtmlTextWriter)+293
System_Web_ni!System.Web.UI.Page.ProcessRequestMain(Boolean, Boolean)+149a
System_Web_ni!System.Web.UI.Page.ProcessRequest(Boolean, Boolean)+c1
System_Web_ni!System.Web.UI.Page.ProcessRequest()+77
System_Web_ni!System.Web.UI.Page.ProcessRequest(System.Web.HttpContext)+a7
System_Web_ni!System.Web.HttpApplication+CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()+255
System_Web_ni!System.Web.HttpApplication.ExecuteStep(IExecutionStep, Boolean ByRef)+10a
System_Web_ni!System.Web.HttpApplication+PipelineStepManager.ResumeSteps(System.Exception)+6d9
System_Web_ni!System.Web.HttpApplication.BeginProcessRequestNotification(System.Web.HttpContext, System.AsyncCallback)+85
System_Web_ni!System.Web.HttpRuntime.ProcessRequestNotificationPrivate(System.Web.Hosting.IIS7WorkerRequest, System.Web.HttpContext)+2c6
System_Web_ni!System.Web.Hosting.PipelineRuntime.ProcessRequestNotificationHelper(IntPtr, IntPtr, IntPtr, Int32)+3bf
System_Web_ni!System.Web.Hosting.PipelineRuntime.ProcessRequestNotification(IntPtr, IntPtr, IntPtr, Int32)+22
System_Web_ni!DomainNeutralILStubClass.IL_STUB_ReversePInvoke(Int64, Int64, Int64, Int32)+51
clr!UMThunkStubAMD64+77
webengine4!W3_MGD_HANDLER::ProcessNotification+79
webengine4!W3_MGD_HANDLER::DoWork+310
webengine4!RequestDoWork+42d
webengine4!CMgdEngHttpModule::OnExecuteRequestHandler+24
iiscore!NOTIFICATION_CONTEXT::RequestDoWork+233
iiscore!NOTIFICATION_CONTEXT::CallModulesInternal+174
iiscore!NOTIFICATION_CONTEXT::CallModules+25
iiscore!W3_CONTEXT::DoWork+34d
iiscore!W3_CONTEXT::IndicateCompletion+8c
webengine4!W3_MGD_HANDLER::IndicateCompletion+59
webengine4!MgdIndicateCompletion+22
clr!DoNDirectCall__PatchGetThreadCall+7b
System_Web_ni!DomainNeutralILStubClass.IL_STUB_PInvoke(IntPtr, System.Web.RequestNotificationStatus ByRef)+57
[[NDirectMethodFrameStandalone] (System.Web.Hosting.UnsafeIISMethods.MgdIndicateCompletion)] System.Web.Hosting.UnsafeIISMethods.MgdIndicateCompletion(IntPtr, System.Web.RequestNotificationStatusByRef)
System_Web_ni!System.Web.Hosting.PipelineRuntime.ProcessRequestNotificationHelper(IntPtr, IntPtr, IntPtr, Int32)+4f4
System_Web_ni!System.Web.Hosting.PipelineRuntime.ProcessRequestNotification(IntPtr, IntPtr, IntPtr, Int32)+22
System_Web_ni!DomainNeutralILStubClass.IL_STUB_ReversePInvoke(Int64, Int64, Int64, Int32)+51
clr!UM2MThunk_WrapperHelper+4b
clr!UM2MThunk_Wrapper+90
clr!Thread::DoADCallBack+127
[[ContextTransitionFrame]]
clr!UM2MDoADCallBack+9e
clr!UMThunkStubAMD64+273
webengine4!W3_MGD_HANDLER::ProcessNotification+79
webengine4!ProcessNotificationCallback+43
clr!UnManagedPerAppDomainTPCount::DispatchWorkItem+181
clr!ThreadpoolMgr::NewWorkerThreadStart+2e5
clr!ThreadpoolMgr::WorkerThreadStart+3b
clr!Thread::intermediateThreadProc+7d
kernel32!BaseThreadInitThunk+d
ntdll!RtlUserThreadStart+1d
我们确实尝试过读取mscorlib的源代码，但System.Reflection.RuntimeAssembly._nLoad让我们陷入了死胡同。为什么问题只发生在越南语？
如果你能给我一些解决这个问题的线索，我将不胜感激。