Another forum user, Arvall, has some good suggestions for optimal settings:
https://www.deskshare.com/Forums/ShowPost.aspx?PostID=3251
Also, I would suggest that you try turning off hardware acceleration during recording. We have published an article on this topic which you can find here:
https://www.deskshare.com/resources/articles/dmc_turnoffhardwareacceleration.aspx