I'm running Outlook 2003 on Windows XP Home, SP2.

I use Outlook Express 6.0 as my mail program and in the OE options I set it
to be the default mail handler. It works correctly, but only for a time.

Every few days I discover, after clicking on a mailto link, that it is the
Outlook mail program that opens instead of Outlook Express. When I check the
OE options I find that OE is no longer the default mail handler.

I am not doing anything (as far as I know) to cause Outlook to take over as
default mail handler. Does anyone know why Outlook might be stealing
default-mail-handler status, and what can be done to fix this permanently?

Thanks.

David