A: 

This is next to impossible to answer without you showing any code you have.

A (wild) guess would be that you supply some class/structure when interoping with Word that is not initialized and Word then tries to access the uninitialized memory.

Foxfire  2010-04-30 12:11:30
A: 

Issue was fixed after reinstalling Office :)... But still dont know what caused the issue

Ananth  2010-04-30 13:03:34

related questions

Why do my exception stack traces always point to the last method line?
Exception analysis tool for C++
When to choose checked and unchecked exceptions
What is the general rule of thumbs for creating an Exception in Java?
Exception handling: Contract vs Exceptional approach
Configure a Java Socket to fail-fast on disconnect?
Is it really that bad to catch a general exception?
How Do You Communicate Service Layer Messages/Errors to Higher Layers Using MVP?
Do you write exceptions for specific issues or general exceptions?
How do I log uncaught exceptions in PHP?
Prevent WebBrowser control from swallowing exceptions
A ThreadStateException occures when trying to restart a thread
C# - CryptographicException: Padding is invalid and cannot be removed
How to trace COM objects exceptions?
Catching unhandled exceptions in ASP.NET UserControls
Final managed exception handler in a mixed native/managed executable?
With Lucene: Why do I get a Too Many Clauses error if I do a prefix search?
I can't get my debugger to stop breaking on first-chance exceptions
Performance Considerations for throwing Exceptions
Why can't I use a try block around my super() call?
IllegalArgumentException or NullPointerException for a null parameter?
Reducing duplicate error handling code in C#?
Exceptions in C++
How do I fix 'Unprocessed view path found' error with ExceptionNotifier plugin in rails 2.1?
Unhandled Exception Handler in .NET 1.1