Error connecting to MS Access Database with ODBC

[Jonno]

I am trying to connect to an Access database using ODBC, and I get the
following error message:

Unable to obtain schema.

There is insufficient information to establish a connection to obtain list
of schemas. Check database URL, user and password.

Driver message: [Microsoft][ODBC Microsoft Access Driver][Optional feature
not implemented]

I have reinstalled MS Office 2002 and checked all features to do with MS
Access and all Office tools, but the message doesn’t go away.

Can anyone tell me what “Optional†feature I should be looking for?

Many thanks.