This error often occurs when the software tries to access project files, catalogs, or libraries that rely on Microsoft Access database technology, but the necessary redistributable components are not installed, corrupted, or blocked by system policies.

Run the AceRedist.msi file from that directory to repair the component. Summary of 2026 Status

Select either accessdatabaseengine.exe (32-bit) or accessdatabaseengine_X64.exe (64-bit). Ensure you pick the one matching your Office installation bitness, not just your OS. Run the downloaded file and follow the prompts to install. Method 2: Repair via AutoCAD Electrical Media If this error appears while installing Autodesk software:

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