Symptom

Opening Dataquest ART prompts for a user name and password, despite never sconfiguring this functionality. 

Solution

To eliminate the password access requirements to DQ 3.1 and older, delete the file password.bin from the C:\Dataquest ART\ folder.

To eliminate the password access requirements to DQ 4.0 and newer, delete the file nagem.bin from the C:\Dataquest ART\ folder.

If these files are not visible:

1. Navigate to the C:\Dataquest ART\ folder
2. Click on Organize | Folder and search Options
3. Click the View tab 
4. Check the box corresponding to Show hidden files and folders