Question : How to ensure only one user at a time uses the MS access application?

PROBLEM BACKGROUND
I developed a desktop application in MS Access 2007 and MS Access 2007 Runtime. The user just opens the application and starts using it.
PROBLEM DESCRIPTION
 There is no limitation on:
1. how many registered users can use it?
2. How many users can uses the application atone time?

Answer : How to ensure only one user at a time uses the MS access application?

This is what I read about adding google analytics in the new templates:
1. Copy the Analytics tracking code
2. On Blogger, go to the Layouts > Page Elements tab and click one of the "Add a Gadget" links
3. Choose "HTML / JavaScript"
4. Paste the Analytics tracking code into the text area
5. Save (window will close)
6. On Layouts > Page Elements, drag the new HTML / JavaScript gadget into your blog's footer. You'll want it to be the last gadget on the page.

Let me know if this works.

DeeDee