[BUG] GDT furiously flashing

Well then. I tried to start up GDT after a long time not running it and for some reason it just has black flashing frames through everything ._…
video thing; (please ignore the watermark and all that horrible stuff t.t,also it is low fps video, so sometimes you’ll often see more black than usual.)
http://webmup.com/BDUqT/vid.webm

(Off topic post)
what is G tycoon?
I can see your games

can you check if your display drivers are up to date?