Microsoft is listening! We appreciate your feedback, and want to assure you that our Windows Store engineering team is continuously working to provide fixes as quickly as possible.
We are happy to announce that Windows 10 Store app version 2015.8.3.2 was released late last week. As of this update, you will experience:
o Improvements in success launching the store app
o Fixes for download errors 0x803F7000 and 0x803F7003
o Elimination of incorrect “reached your device limit for installing apps and games from the Store on your Windows 10 device” message
o General stability improvements
Please keep the feedback coming. We are actively investigating other issues reported in the forum and will let you know as soon as more updates become available. Thank you!
~ Alex from the Windows Store Quality team