part of screen

Hello, I use a laptop for gaming and I am used to play games on resizeable mode. I have recorded quite some gameplay by selecting to only record 1 game session which only covers 1/2 of my laptop screen. This recorded the thing I wanted to record but when I wanted to edit the records I saw that...

I have not been able to solve this silly issue. I am sure there must be a way to capture (record) only a specific region of the screen. I am aware of cropping (alt) the visible region. This records both the cropped visible region and the region outside the visible region (entire desktop using...