I added an Xecuter3 CE to my 1.6 xbox several months ago and everything worked fine. Loaded the dash, XBMC, the whole nine. After playing some rented games, when I boot my Xbox it instantly tries to access Xbox Live but fails. I turned off auto-connect in the Xbox settings, but now it refuses to boot into my dashboard. It either starts a game if one is present, or goes directly into the settings screen. The blue Xecuter symbol lights up, the splash screen still says Xecuter Rox my Box, but it doesn't. 
Any ideas?
Any ideas?