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I am using Visual Studio Community 2015 to modify a VB 2013 project. Whenever I try to open my main Windows Form the "Error HRESULT E_FAIL has been returned from a call to a COM component" message happens. I can't modify the form at all. There's no code errors in debug that I can find.

I've tried several of the solutions found on the following if they looked like they applied to my situation: Error HRESULT E_FAIL has been returned from a call to a COM component VS2012 when debugging

This is only happening on one of my VB forms in the solution. The other 2 forms are working fine.

Call Stack error:

Instances of this error (1)  

1.   Hide Call Stack 

at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)
at Microsoft.VisualStudio.LanguageServices.Implementation.Utilities.Exceptions.ThrowEFail()
at Microsoft.VisualStudio.LanguageServices.Implementation.CodeModel.CodeTypeRef.LookupTypeSymbol()
at Microsoft.VisualStudio.LanguageServices.Implementation.CodeModel.CodeTypeRef.get_TypeKind()
at EnvDTE.CodeTypeRef.get_TypeKind()
at Microsoft.VisualStudio.Design.Serialization.CodeDom.VSCodeDomParser.GetUrtTypeFromVsType(CodeTypeRef vsType)
at Microsoft.VisualStudio.Design.Serialization.CodeDom.VSCodeDomParser.OnTypePopulateMembers(Object sender, EventArgs e)
at System.CodeDom.CodeTypeDeclaration.get_Members()
at Microsoft.VisualStudio.Design.Serialization.CodeDom.MergedCodeDomParser.CodeTypeDeclarationPopulator.OnPopulateMembers(Object sender, EventArgs e)
at System.CodeDom.CodeTypeDeclaration.get_Members()
at System.ComponentModel.Design.Serialization.TypeCodeDomSerializer.Deserialize(IDesignerSerializationManager manager, CodeTypeDeclaration declaration)
at System.ComponentModel.Design.Serialization.CodeDomDesignerLoader.PerformLoad(IDesignerSerializationManager manager)
at Microsoft.VisualStudio.Design.Serialization.CodeDom.VSCodeDomDesignerLoader.PerformLoad(IDesignerSerializationManager serializationManager)
at Microsoft.VisualStudio.Design.Serialization.CodeDom.VSCodeDomDesignerLoader.DeferredLoadHandler.Microsoft.VisualStudio.TextManager.Interop.IVsTextBufferDataEvents.OnLoadCompleted(Int32 fReload)
Community
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Joe
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  • Have you looked at http://stackoverflow.com/questions/13361199/error-hresult-e-fail-has-been-returned-from-a-call-to-a-com-component-vs2012-whe ? This involved a similar situation bringing a VS2010 to a VS2012 environment. – Dustin May 09 '16 at 22:22
  • Yes I did. Thanks. – Joe May 10 '16 at 10:25
  • I tried the following: **And before deleting ProjectTemplateCache and running DevEnv/setup, have a try Start —> Run —> regsvr32 %SystemRoot%\System32\msxml3.dll Start —> Run —> regsvr32 %SystemRoot%\SysWOW64\msxml3.dll** This did **NOT** work. – Joe May 10 '16 at 12:55

2 Answers2

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I'm going to rebuild the form as it's only one screen that is giving the error. There doesn't seem to be a good solution for this at this time.

Joe
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I have this issue all the time, close Visual Studio and delete the .sln file. Then relaunch with the .vbproj file.

Pc Tweaks
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