If you already have 32-bit Microsoft Office installed, you can run this installer immediately. If you have 64-bit Microsoft Office installed, the installer will block you. You cannot mix 32-bit drivers with 64-bit Office. You must run the installation via "Passive" mode (see Troubleshooting below).
Microsoft Access Database Engine 2016 (32-bit) Did this solve your connection issue? Let me know in the comments below. If you are still getting "Unspecified error," check your file permissions—the IIS user needs read access to the folder!
If you install the 64-bit version of the Access Engine, your 32-bit application will . It won't crash; it just won't see it. You will still get the "not registered" error.
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