Password to Avast

The following errors occurred when trying to save your profile:
The password you entered was not correct.

Why ?. I tried 3 times. I did change my email address. Was given a new link to go to in my new email address, clicked on it, all OK so far !! was given a new password to use. Worked fine. Went back to put in the the pass word I wanted and got the above Message ???

Try to reset your password…
http://forum.avast.com/index.php?action=activate