Quick 'n Easy Web Server supports basic authentication for virtual directories:
1. Open the Virtual Directories page.
2. Click Add and add a enter an Alias for the directory, ie. protected
3. Enter the physical path to the folder on your local computer, ie. c:\webpages\protected
4. Click OK to save.
5. Select 'Enable password protection for this virtual directory'
6. Add a new user account and enable the checkbox to authorize the user for this directory.
Now when you try to access the folder from a browser it will show a login screen.