>>Hi everybody,
>>
>>I was reading this http://dotnetdebug.net/2007/05/21/external-component-has-thrown-an-exception-in-aspnet/ but I'm not sure what is WinDbg and how should I find it.
>>
>>Thanks in advance.
>
>try this: http://support.microsoft.com/kb/824344

I don't have Debugging Tools folder on my computer and I don't have WinDbg either. Is there a way to download it from some place?

I'll try to proceed from http://www.microsoft.com/whdc/devtools/debugging/installx86.mspx