Every few minutes after I start Greenfoot the client seems to distort in such a way on my main monitor: https://gyazo.com/ef3ee0e893ac509e83b723d6be986fe6 However, when I move to the smaller monitor, it fixes the issue. How do I fix the issue on my main monitor? GPU: AMD R9 380 CPU: i5-4590 3.3ghz Monitor: Dell s2309W