I can’t post an image hosted on another site, but by copying the uri above to your address bar, you will see the picture 
As you can see, the Check for Updates radio button “every week” is part of the Distance Type.
Worry not, bugs already been reported and should be fixed for next release
Please check the stickies before posting. Thanks.
My bad, now I see that sticky
1.6.2.1 has been released in the announcements section of the forums only and contains a fix to this bug.