Ortho Live View won't stay put when refreshed

[rlackore]

I had this problem in X9, and it persists in X10. Here's an ortho view in Plan:

 

I send it to Layout as a Live View>Update on Demand:

 

Here is the view on my Layout page:

 

When I update the Live View, each successive update shifts the view left-and-up until it disappears from the Layout Box:

 

I've saved the Camera, so I don't understand why this happens. If anyone has some insight, I'd appreciate the help.

[rlackore]

I've discovered that if I send the view at No Scale, the problem goes away. But at No Scale the view is too small, and there is no way to adjust it:

[rlackore]

Using Plot Lines>Color Fill also fixes the problem, except of course for the color fill:

 

...which doesn't resolve itself when printed to PDF:

[rlackore]

I've opened a ticket with Support to address this issue.