Follow these steps if you are having problems getting Noted to work after logging in and are using the Firefox browser...
1. Open the Firefox settings
From the main menu choose Settings.
2. Privacy and security
From the menu choose Privacy and security followed by the Mange Exceptions button.
3. Enable cookies for the Noted app
In the Address of website text box type app.noted.com and press Add Exception. Now it will appear in the Website list. Press Save changes to finish.
You should now be able to use Noted without issues.