For the past six months or so I've had the problem of having my active window deselect itself many time during a session...as often as every ten seconds or so. I have Windows 7 Ultimate 64 bit installed on a Dell Xps 15z-i7.
I have read most of the windows forum suggestions on this topic, and none have work for more than a week or two. I have run ARO software checks and Advanced System Care 6 Pro. No help.
Any ideas?
I updated my Nvidia software...no help.

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