Steps to reproduce the issue

I used a backup of a live website installed 3.9.0 alpa, and after that beta.
When I log into the frontend I get the edit profile page. This gives me notice to tick the box I agree in the field Privacy Policy, and save that by clicking the submit button.

Expected result

The result should be that in the backend my agreemeny is registered, and in the frontend I get the message Profile saved...

Actual result

All this happens, but also I get a notice telling me:
"Please confirm that you consent to this web site stronig your information etc....."
And also the field Privacy Polici is there (in red) with the two responses I agree and No, with No tickt.

When I tick I agree, I get in an neverending loop where the system registers my agreement, and still keeps presenting the notive and the field and keeps asking ...etc.

System information (as much as possible)

This is a real-life site. So I had Easy profile on, and Trombinoscope. Both deliver extra's in userregistration and contact presentation. I deleted both but cannot see any change in the issue after deleting them. However: perhaps they have triggered something when they were active. Perhaps noy. Both were there in the alpha and worke okay. So.

Additional comments

The profile has also the field Send notification for User Actions Log, this also presents two radio bittons, and this field works okay: when Yes is ticket the change takes hold aftre submitting the form. So the field type as such functions okay.