Here you are going to solve the big irritating error 0x80070422 in very simple steps.
The error code 0x80070422 is very irritating as this prevents the users from downloading the updates and causes other issues. But this can be fixed by following certain fixes. Try to restart the Windows update service, this worked for many users to fix the Window store error 0x80070422.
Follow the steps to do so:
First press Windows + R Key > type services.msc > hit Enter
Locate the following services:
Background Intelligent Transfer Service (BITS) > Cryptographic Service > Windows Update > MSI Installer
Right-click on each of them > choose Properties > assure that the Startup type is set to Automatic
If any of the above services are stopped > then click on Start under Service Status.
And right-click on Windows Update service > choose Restart.
Then click Apply followed by OK > and restart your PC to save the changes.
Hope this works in your case but if not then there are other solutions as well, that you can try to fix Window store error 0x80070422.