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Editorial Team
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Asked: 2026-06-08T21:02:59+00:00

When debugging using Visual Studio 2012 RC with break on exception turned on, Visual

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When debugging using Visual Studio 2012 RC with break on exception turned on, Visual Studio breaks on exceptions from within the .NET Framework. How do I make it break on exceptions only in my code?

When debugging a ASP.NET MVC 4 project there are a lot of framework exceptions thrown on every page hit. The following exception happens a lot:

System.Globalization.CultureNotFoundException occurred
  HResult=-2147024809
  Message=Culture is not supported.
Parameter name: name
UserCache is an invalid culture identifier.
  Source=mscorlib
  ParamName=name
  InvalidCultureName=UserCache
  StackTrace:
       at System.Globalization.CultureInfo..ctor(String name, Boolean useUserOverride)
  InnerException:

This exception is coming from within mscorlib.dll which I do not not want Visual Studio to break on.

It looks like I am missing a column in the exceptions window. I only see the “Thrown” column and “User-Unhandled” is missing. This might be my issue.

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1 Answer

  1. Editorial Team

    I believe all you need to do is go to

    Debug -> Options -> Debugging and check Enable Just My Code (Managed Only)

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