Originally Posted by estabulla
So I had my Bold sitting idle for a few minutes and I got a popup saying memory cleaning was being enabled. It would not let me do anything for a few minutes. After a while the popup went away and all was back to normal. I could not find a reference to memory cleaning (like 4.5) in options...
It's under Options>Security>
It is a way to free up some cached memory. You have the option of changing it from there. It can be set to clean after it has been at idle for x minutes.