Just registered a few days ago, looked at every link under "my stuff", have no messages, etc, but the little envelope still blinks.

happens to a lot of people.

Make it your avatar. When enough people have complained, maybe it will get some diligence....

I've had it since day one. Apparently nothing can be done about it.

Mine has flashed since day 1 --also
Wish this could be fixed ---
Thanks