it can be fixed if u run game in windowed (fullscreen) mode but it lags like hell for me
and i also don't have any antivirus or programs running in background
old thread : http://us.battle.net/d3/en/forum/topic/5051975291
Histerix,Leave the game in fullscreen mode and try rebooting once in selective startup mode and see if it still happens.http://us.blizzard.com/support/article/backgroundapps?utm_source=internal&utm_medium=support_forums&utm_campaign=BlizzardCS
Similar happened to me out of nowhere. I do tech support so I had an idea of what to do.
I wrote down the time sit happened and turned out to be always on a 15 minute increment.
Checked event viewer logs and a citrix application I use for work was running. This would check for an update, even though its all behind the scenes, that would cause a minimize..
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