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Ordinal not found in MFC42.DLL

I get the message "The ordinal 6905 could not be located in the dynamic link library MFC42.DLL" when I run a proprietary home shopping program. The program has previously worked perfectly prior to problems I had installing NT4.0 SP5. These problems required me to re-install NT4.0 workstation, Outlook98, IE5 and finally NT4.0 SP5 again. I have also re-installed Office97 and Visual Studio.

Basically everything now works except this program. I have tried re-installing the program with no joy.

I would be grateful if someone could explain exactly what the error means and how best to overcome it.

NB Bonus points if anyone can explain the sequence/theory (if any) behind the order of applying service patches (especially where there is 'overlap' such as between NT4.0/Outlook98/IE5/SP5 etc. Thanks.

Steve Teague

benstock

Well, as a comment I can tell you that the error is simply saying that the program cannot find a function in the DLL (normally because the DLL is of a version that the program cannot understand).

Could try uninstalling your program in question. Then re-install and choose to overwrite the MFC42.DLL.

Bottom line is DLL Hell is a persistent problem that does not improve until you go to a full 2000 (NT + Office + apps etc) installation.

steague

ASKER

Thanks for tips. Not quite sure what you mean by "..choose to overwrite the MFC42.DLL". How do I do that? Also, I have uninstalled/re-installed the program numerous times now. It always installs without problem - just does'nt run!! I presume at some point, in putting my system back together I've done something out of sequence, and now have an inconsistancy. Unfortunately I don't know what or where.

Basically I installed (in order) :

NT 4.0 Workstation
NT SP3 (needed for Outlook98)
Outlook98
IE5
NT SP5
Office 97
Visual Studio
.. and lastly the problem program

AIXMAN

I would suggest installing in the order of :

NT 4.0 Workstation
NT SP5
IE5
Outlook
Office 97
and then after making a copy of the MFC42.DLL I would then install visual Studio.
Then the Home Shopping software, the file MFC42.DLL is a file that Visual Studio needs and is overwriting it in your WINNT/SYSTEM32 directory. You may need to copy the old MFC42.DLL into the same directory as your Home Shopping software and then make that directory part of your environment path.

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