ive been installing a digital copy of forza 6 for xbox one & it has taken 3 days to get to 74% now ive uninstalled & reinstalled & now its been stuck on 1% for about an hour, ive tried xbox support & they have been useless, not a clue what else to do, could it be a corrupt file?
You need to let it go, WITHOUT DOING ANYTHING ELSE on the console. It takes lots of time, especially with all the content updates and add-ons at this point.
You really should NOT have anything running on your local area network (LAN) and just ignore the Internet until the download and installing is 100% finished. The Xbox One needs the bandwidth to function properly (hopefully your wired with Ethernet cable to your modem/router/gateway device. Even cell phone usage on your LAN can slow down the X1 downloads because it is fighting for bandwidth.