Open Start, type: powershell
Right click PowerShell
Click Run as administrator
Type the following command then hit Enter, exit PowerShell then restart, then try updating through the Store again.
Get-AppXPackage | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($\_.InstallLocation)\AppXManifest.xml”}
Check if you can launch the Microsoft Store, then update the apps.
If this does not work, I recommend you attempt a repair upgrade: