Error loading .xll in debug mode

[alexs...@gmail.com]

Hello! My prohect worked OK. Then I've added user form1, form1.vb and deleted it from project.

After that when i'm try to load add-in in debug mode from it begin to  throw error.

But when I load compiled xll _not from Visual Studio_ - everything works fine!! Problem is that I cannot debug my project in VS 2017!

Error occures only when I load it from Visual Studio:

ComAddIn [Error] The Ribbon/COM add-in helper required by add-in testribbon1 Add-In could not be registered.

This is an unexpected error.

Error details: System.Reflection.TargetInvocationException: The addressee of a call has created an exception.-> System.Runtime.InteropServices.COMException: Operation is interrupted (An exception from: HRESULT: 0x80004004 (E_ABORT))

---The end of trace of an internal stack of exceptions---

   в System.RuntimeType.InvokeDispMethod(String name, BindingFlags invokeAttr, Object target, Object[] args, Boolean[] byrefModifiers, Int32 culture, String[] namedParameters)

   в System.RuntimeType.InvokeMember(String name, BindingFlags bindingFlags, Binder binder, Object target, Object[] providedArgs, ParameterModifier[] modifiers, CultureInfo culture, String[] namedParams)

   в ExcelDna.Integration.ExcelComAddInHelper.LoadComAddIn(ExcelComAddIn addIn) : TargetInvocationException - The addressee of a call has created an exception.

[Govert van Drimmelen]

One cause of the error you see is when Excel puts your ad-in in the “Disabled Items” list.

 

Go to File -> Options -> Add Ins, then “Manage: Disabled Items” and check if anything is there.

This happens easily when debugging, when you stop debugging or have an error in a ribbon callback. Excel detects this and decides to disable your add-in.

 

-Govert

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