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Run the downloaded .exe as Administrator.
Let us say your legacy VB script has:
If you are reading this article, you are likely one of three people: download microsoft jet oledb 4.0
For those facing this error, especially on 64-bit systems, Microsoft has provided a clear, official path forward: migrating from the deprecated Jet provider to the modern . This is the successor to the Jet engine and is fully supported on 64-bit versions of Windows.
For 64-bit support or to work with newer file formats like .accdb or .xlsx , Microsoft recommends the . This driver replaces the legacy Jet framework and is available in both 32-bit and 64-bit versions. Run the downloaded
This package installs both the old Jet 4.0 OLEDB provider and the newer ACE OLEDB provider (used for .accdb files).
There are two main flavors of the ACE provider, and both are readily available: For 64-bit support or to work with newer file formats like
Microsoft has never distributed the Jet OLEDB 4.0 provider as a standalone downloadable installer (like an .exe or .msi file named "Jet40Setup.exe"). This is the most common misconception.
2. The Modern Replacement: Microsoft Access Database Engine (ACE)
If you are developing a C# or VB.NET application, force the binary to compile in 32-bit mode. Open your project in .
A 64-bit process cannot talk to a 32-bit driver like Jet 4.0. Stack Overflow Why You Can't Simply "Download" It Today
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