If you have signed up for a seller account, but cannot login and reach your dashboard (you are taken to back to the sign up page), please do the following:
1) Make sure you clicked on the verification link contained in the email you received upon registration.
2) Clear your cache -
Chrome: Click the settings button, top right corner of your browser. Tools > Clear Browsing Data
Internet Explorer: Click the Tools wheel, top right corner of your browser. Internet Options > Delete temporary files
3) Close all browsers
4) Open a new browser (if you were using IE, try Chrome and vice versa)
5) Try logging into your account.
6) A computer restart may be necessary to ensure that all cache is cleared.
* 99% of the time this issue is a cache problem, and clearing your cache should resolve the issue.
If you continue experiencing sign in problems, please submit a support ticket.