I have the freezing issue on a downloaded version. Pressing the guide button works 1/3 of the time. However, and this is really weird, it seems to load better after midnight. Like usually the first try. Don't know if there's any real correlation or if I'm just having better luck at night.
Games at 100%: 93
Windows 8: 3
Reached 99 999 on October 29, 2013