When trying to open Quickmap, you may get this error:

Quickmap Initialisation Error

QCtrl: (DateTime)

Could not open database
Provider=Microsoft.Jet.OLEDB4.0;Data
Source=(path);Jet OLEDB;Database Password=(password);;mode=13

Additional Information: You attempted to open a database
that is already opened exclusively by user ‘Admin’ on machine
(machine). Try again when the database is available.

To fix this, please see the solution associated with this article.