Erro "Cannot find engine configuration file" quando abre o SNGPC

1)

Acesse o registro: HKEY_LOCAL_MACHINE\SOFTWARE\Borland\Database Engine\

Altere a chave: CONFIGFILE01 para o caminho C:\Program Files\Common Files\Borland Shared\BDE\IDAPI32.CFG

2)

Acesse o Painel de controle > BDE Administrator.

Depois, vá na aba Configuration > Drivers > Native > MSACCESS e altere a DLL32 para IDDA3532.DLL

fonte: http://www.delphifaq.com/faq/delphi/database/f840.shtml