The make movie rendering images for each frame was for recovery. If you render directly to video and it crashes at 90% done, you lose all that time. Rendering to images, you still have that work. This is something I thought was standard practice in the 3d world. I was taught to do it when learning other software.

If you want you can set it to turn those frames into a video and delete the stills

While the movie is being rendered, the UI will become unresponsive unless you're rendering in the background. The background rendering might be using up a lot of memory that is causing the slow down

---

Available on Amazon for the Kindle E-Reader Monster of the North and The Shimmering Mage

Today I break my own personal record for the number of days for being alive.
Check out my store here or my free stuff here
I use Poser 13 and win 10