The Unlock method allows any user to have access to any of the Application object properties in order to make changes.
The Unlock method is used to explicitly unlock the variables
in the Contents collection of the Application object.
In contrast, the Lock method prevents all other users from changing any of the variables
in the Contents collection of the Application object.
This ability to lock is required since Application objects are designed to be
shared among an unlimited number of users.
Therefore, you need the ability to allow only one user at a time to make changes
and you do this by locking everybody else out.
Remember, to completely unlock an object, you must call Unlock the same number
of times you have called Lock.
Fortunately, the server will automatically unlock all locks placed on the object
when the script times out or the .asp file ends.
<%
Application.Unlock
%>