Q: I'm having a trouble opening my gamecenter. It won't just open, its only white screen. It's not even signed in in my games. What should the possible way to do or to solve this problem?

I Have the same problem, and reading this suppport forum a lot of people have the same proble. So please forward this to whom ever will address it and please don't give us the same old script that you read from a manual. Thank You  

I Have the same proble. Please let us know if you get a good answe. Thank You  

I have the same problem too.
Gamecenter cannot open, always white screen, and the games related to gamecenter all stuck at loading page.

I've tried the solution above but the problem is still there.