Try the troubleshooting steps linked below. Afterwards if the issue is still present, please follow the 10 steps at the bottom of the page to find your ‘Verbose Logs’ and post them here. They will help us track down the issue.
We haven’t heard back from you in a few days, so we are marking this post as Resolved for tracking purposes. If you’re still experiencing this issue, try the troubleshooting steps linked above. Afterwards if the issue is still present, please follow the 10 steps at the bottom of the page to find your ‘Verbose Logs’ and post them here. They will help us track down the issue.
Thanks, I figured it out by going in to the Launcher > data folder. Not entirely sure what the exact path is since i’m not near my PC, but I was able to find a 4.7 folder still in there. Deleted it, and it seems to have reset something in my Launcher. Rebooted Launcher, 4.7 Preview 6 was available for download.