Something has changed it obviously.

There is a fix here http://www.dougknox.com/xp/file_assoc.htm

Regards
Mark Dormer

"Bud Vitoff" <BudVitoff@NOmsn.SPAMcom> wrote in message
news:OSxUTW1kHHA.4112@TK2MSFTNGP04.phx.gbl...
> I'm running WinXP Home SP2.
>
> A Symantec fix calls for a download and double-click of a file called
> NCO_BHO.reg, but I get the "Open with" window. Shouldn't this file
> extension invoke the registry editor?
>