Make sure the Windows Firewall is enabled.
Make sure the Windows updates can be downloaded and install by Windows Update.
If you are having issues with installing or updating Store apps in windows 10, it may be caused by an issue with the Store cache.
To solve this problem, you can try clearing the cache for the Store.
1. Click Start Menu.
2. Enter run in the search box, and then click Run.
3. Enter wsreset.exe into Run command box and then click OK.
4. Open Command Prompt as a administrator.
5. Type bitsadmin /reset /allusers command and press Enter key.
6. Type Del /s /q %tmp%\*.* command and press Enter key.
Note
The Windows Store will open after the cache has been cleared.
Re-register the Store app to fix the Windows Store.
powershell -ExecutionPolicy Unrestricted Add-AppxPackage -DisableDevelopmentMode -Register $Env:SystemRoot\WinStore\AppxManifest.XML
When command finished, you can close the Command Prompt, and try opening the Store again.
If above commands wont resolve the issue then execute below command.
Get-AppXPackage -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}
When command finished, you can close the Command Prompt, and try opening the Store again.