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I get such an error when I open IE8 in Windows 7 32-bit machine:

An unhandled exception ( Unknown runtime error ) occurred in iexplore.exe [4736]

and a Microsoft Visual Debugger starts up.

Any suggestions or help on this?

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Probably one of BHOs (Browser Helper Objects) is causing this error. They are DLLs (COM objects) loaded by iexplore.exe into its address space at startup. Try disabling IE BHOs using WhatsInStartup.

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thanks for the answer. Nothing was there that WhatsInStartup could do. But i followed the clue from your answer to check with the addons and other toolbars installed on that . removed all of them and it started working. Anyway thanks :) – rahul Dec 12 '12 at 6:47
up vote 0 down vote accepted

The Issue is solved. Might have been a possible problem with the third party toolbars and some addons. The issue stopped after I removed those toolbars and addons.

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