Follow these steps if you are having problems getting Noted to work after logging in and are using the Chrome browser...
1. Open the Chrome settings
From the main menu choose Settings.
2. Privacy and security
From the menu choose Privacy and security followed by Third-party cookies.
3. Enable cookies for the Noted app
Further down the the Third-party cookies screen is a section called Customised behaviours. In this section you can add the Noted app as an exception using the add button.
In the screen that appears type app.noted.com and then press the Add button to save.
You should now be able to use Noted without issues.