Please note that you have to have a User profile set up on the account to be able to log in to the web interface.
If you do have one, please follow these easy troubleshooting steps:
- Set your browser to incognito or private mode before logging in
- Clear your browser's cache and enable pop ups
- Try using a different browser
If none of the above steps work for you, please get in touch with support, or submit a request here.