Pop-up message: “The Microsoft Jet database engine cannot open the file ‘C:\Program Files(x86)\1and1Mail\tnedm.ado’. It is already opened exclusively by another user, or you need permission to view its data.”

Posted by Paul

Jul 22

Please follow the steps below to resolve the issue:

Right click the 1and1Mail icon on your Desktop
Select “Properties”
Go to “Compatibility” tab.
Select the last option “Run as an administrator”.

And then run 1and1Mail.

Filed under: Software

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