I have already alert for this issue.
aquasuite X (Insider) Version, Feedback, Fehler und Problemlösungen
It still exist on x67.
Answer : It's not a aquasuite bug, it's the video driver's fault !
Obviously I love the developpers... «it's not us but them»
I partially solved. Don't let open the main Aquaero page with all the graphics/indicators. It's only it to pump the RAM. Swith to other tab like setting or another...
Tips for me in the future : do not continue subscription...