Hello 1db2bZb1qOs,
We were not able to recreate your issue when recording Greenville on Roblox.
It might be a problem with your graphics card driver.
First, please uninstall your graphics card driver and download the latest graphics card driver.
If you still have the problem after installing the latest graphic card driver, uninstall Bandicam and download the latest version of Bandicam from
https://www.bandicam.com/downloads/ and choose the "H264 (CPU)" video codec and try it again.
Thank you.