This will repair the OLEDB provider registration for 32-bit applications only.
: Microsoft has never released a 64-bit version of the Jet Database Engine or its OLEDB driver. 32-bit Only
To verify this:
There is of the Microsoft Jet OLEDB 4.0 provider available for download. It was only developed as a 32-bit component. To work around this on Windows 10 64-bit, you must either run your application in 32-bit mode or switch to a modern alternative. Top Solutions for Windows 10 64-bit
However, for a standalone driver without Office, you can use the – though this is outdated. A better approach today is to use the Microsoft Access Database Engine 2010 Redistributable (which includes a Jet compatibility layer), but be careful: it does not support the original "Microsoft.Jet.OLEDB.4.0" provider string by default.