Had a similar experience, although my updates would get to 80% and freeze. Also had a similar experience with tech support. I finally talked to one guy who was willing to admit that the v7 software was probably at fault. Try this: make sure the Harmony app is close, go into Documents and Settings on your computer, find the Logitech folder, delete it, then restart the Harmony app and run an update. This cleared up my update issues for the most part, although I still get the occasional hang at 0%...when that happens now I cancel and re-run it and it's usually fine.