Since this can't be reproduced yet by any ( no response here by users who confirm, nor can be reproduced on quite a few test systems run here), best to look at what you have changed.
What themes in use? Plasmoids? And post the link Octopi > Tools > SysInfo produces
Tried the linux-next kernel? Did you update a previous install to linux 4.7.3, or just got that version with the new install? In that case, definitely try linux-next:
https://kaosx.us/docs/kernels/