You accidentally installed the 64-bit version of the driver, or the installer registered it incorrectly. Solution: Uninstall the driver via Control Panel → Programs and Features. Then download and install the correct 32-bit (x86) version.
Found in Control Panel > Administrative Tools > Data Sources (ODBC) . This tool only manages 64-bit drivers and DSNs. 32-bit odbc driver on 64-bit windows 7
To install a 32-bit ODBC driver on a 64-bit Windows 7 system, follow these steps: You accidentally installed the 64-bit version of the
The split is not just in the file system; it is etched deeply into the Windows Registry. 32-bit odbc driver on 64-bit windows 7