As of Wednesday 11/25 this issue should be resolved.
We have completed the necessary changes/work on our end and users should now be able to update the Lumia apps as expected.
If you're still experiencing issues, please post up and share details.
(original message below)
A topic of conversation that is getting a lot of attention is in relation to Lumia-specific apps not updating from the store. We want to share some information that should give you insight as to what is happening.
Lumia apps are not updating (and showing various error codes) when trying to install or update on a device that has been upgraded to Win10.
Any Lumia device which is running a Win10 build
All Win10 builds installed on Lumia devices
The Lumia-specific apps have not yet been ported into the Win10 store.
Solution and Plans:
At this time there is no workaround. Until these apps are ported to the Win10 Store, users will not be able to reinstall or update these apps.
There is specific work underway for the Win10 store that has to be completed before these apps can be ported over. While there is no stated date as for when this work will be completed, the appropriate efforts are underway.
We'll provide updates along the way as this work is completed and let users know when these apps will be available on Win10.
Thanks as always,