Troubleshooting the 'Microsoft.ACE.OLEDB.12.0' Provider Registration Error

The error message you encountered, "'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine," usually occurs when you're trying to use the Microsoft ACE OLEDB provider but it is not installed on your system or is not registered properly. This provider is typically used to work with Microsoft Access databases or Excel files.

To resolve this issue, you can follow these steps:

Ensure that the Microsoft Access Database Engine corresponding to your system's architecture (32-bit or 64-bit) is installed. You can download it from the official Microsoft website. Make sure to select the appropriate version based on your system.
If you have already installed the correct version of the Access Database Engine, it's possible that it's not registered properly. To register the provider manually, follow these steps:
- Open the command prompt as an administrator.
- For 64-bit systems, run the following command:
```
regsvr32 "C:\Program Files\Common Files\Microsoft Shared\OFFICE16\ACEOLEDB.DLL"
```
- For 32-bit systems, run this command instead:
```
arduino
regsvr32 "C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE16\ACEOLEDB.DLL"
```
After registering the provider, try running your application again. The error should no longer occur.

If you're still encountering the same error after following these steps, it's possible that there is an issue with your installation or configuration. In that case, you may need to uninstall and reinstall the Access Database Engine or consult the Microsoft support forums for further assistance.

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