Thread:Neo34/@comment-28003572-20170707121140/@comment-27642721-20170707193615

This might work:

If still the issue persist after trying the steps provided above then, we recommend running the following PowerShell script to re-register the new Store:  PowerShell -ExecutionPolicy Unrestricted -Command "& {$manifest = (Get-AppxPackage Microsoft.WindowsStore).InstallLocation + '\AppxManifest.xml' ; Add-AppxPackage -DisableDevelopmentMode -Register $manifest}"
 * 1) In the Search box, type CMD
 * 2) Right click on Command Prompt and choose Run as administrator
 * 3) In the command prompt, enter the following command:



I found the above here: https://answers.microsoft.com/en-us/insider/forum/insider_wintp-insider_store/error-code-0x803f8001/2c674ad2-5ab3-46f5-aa0a-6e4d1d9c1550

It works best if you hightlight the powershell command and copy/paste into the Command Prompt window.