Then I have no idea as the COMmonDiaLoG dll is on your system and should be
functioning correctly. That is the only reason for a common dialog error
that you see (i.e, a corrupted common diaglog library file). I wonder if
when you upgraded to SP2, if you allowed an antivirus program to remain
running in the background? If so, your installation could be corrupted. If
that's the case, I'd suggest you uninstall SP2, reboot the computer, then
shut down all running programs (including any antivirus software) and
reinstall it.
875350 - How to remove Windows XP Service Pack 2 from your computer:
http://support.microsoft.com/default.aspx?scid=kb;en-us;Q875350
http://www.microsoft.com/windowsxp/sp2/sp2_whattoknow.mspx

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Jim Pickering, MVP, Outlook Express
https://mvp.support.microsoft.com/profile=F9F51EF1-4AE3-4D23-B2D8-1171988A62D6
Please deliver feedback to the newsgroup, so that others can be helped.
Thanks.
> Hi Jim
> Yes I have that file and I'm using XP SP2.
[quoted text clipped - 7 lines]
>>>this error message. It doesn't happen all the time.
>>> TIA Linda