I'm afraid this is the first report of this problem - which suggests it might be specific to your computer. Check you're using a legitimate unaltered copy, aren't running it on a potato, etc?
First of all, thank you for your reply.
I can run v4.3.12 but not any version after that, as for the potato pc thingy..... I have checked that my gpu drivers are all updated even the opengl2, I dont know if this next sentence is of any value, but here, I can play games like God Of War 4, AC Valhalla and other such games without any lag at 60fps.
I believe it might be renpy having some problem with my device, in that case I am fine with v4.3.12. Oh, btw I have only downloaded the updates from this website, so I dont think they are corrupted.
Thank You.
Regards.