Center of Gravity triad can't be toggled off in Inventor 2016 assembly

In Inventor 2016, if in an assembly you're unable to turn off the Center of Gravity(COG) of all (or some) of the parts there's a fix for it.

On the View ribbon, Center of Gravity isn't selected but you still see all the COG glyphs displayed:

 

This display problem is fixed in Inventor 2016 Update 1 or is now included in Inventor 2016 Service Pack 1 or Inventor 2016 R2.

To install all the latest Inventor 2016 updates see this link:

Inventor 2016 Updates

 

See the Autodesk knowledge base articles that explain the issue:

Inventor 2016: Center of gravity and workplanes cannot be turned off

Inventor Center of gravity will not turn off in assembly