Board Thread:Questions and Answers/@comment-26086095-20150207201217/@comment-26074742-20150208132453

One important thing. Make sure the 'window' or 'tab'(I dont know what to say bout those buttons thing) is always open while it load your uuid from the properties files. If it close after you load it, there might be some problem with your pc.

For my case, If that happen, I change my pc setting to best appearance. Or you can try change to best performance and then change it back to best appearance.