An update...... Now it's work. I did this:
1.Closed all tabs lying in internet explorer.
2.Clicked on delete history button in settings of internet explorer.
3.Removed the live tile .
4.Did a soft reset by pressing volume down and lock button together.
5.Pinned the live tile back
I can't confirm that it is solved by this and if that is for lifetime, but i did this. We all agree, MS should work on that issue hardly....
And of course, as i did soft reset, i had to adjust time and date manually again! I cant understand that while the microwave has that ability that such modern phone has no option for that! But that is for other topic i released yesterday....
Thanks guys, at least one issue solved