Toad 11.6 64-bit will not work with a 32-bit Oracle client. Ensure you have the correct Oracle client architecture installed.
To run the 64-bit version of Toad for Oracle 11.6, your environment must meet these legacy criteria: TOAD for Oracle 11.6 install Download Toad For Oracle 11.6 Installer -64-bit-
Compare the output with the official checksum. Toad 11
Delete the file immediately. Run a full virus scan. Then return to Quest’s official trial page or TechDonor (with checksum verification). Download Toad For Oracle 11.6 Installer -64-bit-