FIXED. Don't know how, went in a reset everything to default, rebooted and that fixed it. It happened after using for 3-4 days after a clean install. I was playing around with the Aero Peek settings, Display settings which may of caused it...
Also went in and recalculated Windows Experience Index. I know if this is not computed it can turn off Aero Glass feature.
Don't know what fixed it...but its working
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