One common issue is related to your browser settings. As with most secured interactive web sites, it is necessary to set your Privacy settings at a level that will allow your browser to accept our cookie. This is purely for security reasons and not for data mining or other uses.
You may want to update your Internet Explorer settings:
In Microsoft® Internet Explorer version 11.0:
• Choose Tools,
• Select Internet Options.
• Select the Security tab.
• Move the slider bar to Medium to High for the Internet zone.
• Click OK.
You may also need to reset your password using the "Forgot Password' function. This will generate an email with your User ID and a link to reset your password.