My address is fine I have mined a few bitcoins here and no issue with address when I stop I Definitley get stuck change In Unexchanged and Immature for more than 1 week and all together its more than 0.01 my address is 10000% fine,  I started mining again here today will see what happens when I stop again.. I am not the only one with that problem a few pages back me and another few guys having the same issue