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We brought OraDirect .NET Professional after test the trial version.

After uninstall the trial version, we installed the commercial product and the installation executed without problems.

When we run a .Net application, it seems to be using the trial version because we can only retrieve a limited number of columns from database.

If we uninstall the OraDirect again, it keeps a version of the CoreLab.Oracle DLL registered in the GAC of .NET Framework.

¿How can we remove the trial version?

You can uninstall OraDirect .NET and delete Corelab.Oracle.dll from GAC manually.
And then install it again.

When we try to remove it from GAC manually, it throws an error:
"It was not possible to remove the assembly Corelab.Oracle because it is needed by others applications"

Thanks

To remove OraDirect .NET manually you should:

• Stop Windows Installer service;
• Delete key in the registry HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products that corresponds to OraDirect .NET;
• Delete key in the registry HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Assemblies that corresponds to CoreLab.Oracle.dll;
• Remove all CoreLab.* assemblies from GAC;
• Stop IIS service if you install Web demos virtual directories;
• Remove \Program Files\CoreLab\OraDirect.NET folder.

After that you can install OraDirect .NET again.

Thank you very much for the help.
We have followed the steps but we couldn't remove the DLL from GAC.

We can't figure anything else to do, ¿any idea?

Try to disable your IIS service.
Reboot your computer and repeat the same steps.