Sometimes, I use grim by remote desktop, I always got the issue that the grim windows can't be restored/resized/maximum like usual. I had to click small floating windows to see the menu of grim and click maximize to view the Grim app. 
Sometimes, I use grim by remote desktop, I always got the issue that the grim windows can't be restored/resized/maximum like usual.
I had to click small floating windows to see the menu of grim and click maximize to view the Grim app.