paypal sandbox auto redirection URL is not working ?

paypal sandbox auto redirection URL is not working

SEE STEPS

1) Log in with https://developer.paypal.com
2) Click On Applications
3) Go to Sandbox accounts
4) Expand the account in question
5) Click Sandbox site
6) Login to the test account
7) Copy and paste “https://www.sandbox.paypal.com/us/cgi-bin/webscr?cmd=_profile-website-payments” into your browser
8) Enable Auto Return and click Save
E9) Typethe Auto Return URL and click Save