Hi Mary,
SYMPTOMS
When you use any database wizard in Microsoft Access, you may receive the
following error message:
Runtime error -2147221164(80040154):Class not registered
This error message may be displayed when you are finished running the
wizard.
CAUSE
This behavior may occur when the file Msjetoledb40.dll is not correctly
registered.
RESOLUTION
This problem has been fixed in the latest edition of the Jet Service Pack.
For additional information about how to obtain the latest version of the
Jet 4.0 database engine, click the following article number to view the
article in the Microsoft Knowledge Base:
239114 How To: Obtain the Latest Service Pack for the Microsoft Jet 4.0
Database Engine
More Further Information : Microsoft Knowledge Base Article - 298355
Please let me know has this helped You...
Thank You...
Raghu...
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