• The users can first try and refresh the page which they are trying to access.
• The users must double check on the address they are trying to access.
• It would also be helpful when you clear the browser cookies and cache.
• The users can also check if they have the permission to access the said URL.
• The users should promptly contact their ISP.
If the given steps do not help in solving the problem, then the users would have to connect with AOL customer support number. This service is provided on a 24-hour basis and can be accessed using a toll-free number. Connecting with this service would ensure that the issue is rectified at the earliest.